{"url":"http://public2.vulnerablecode.io/api/packages/196495?format=json","purl":"pkg:deb/debian/caddy@2.11.2-1~bpo13%2B1","type":"deb","namespace":"debian","name":"caddy","version":"2.11.2-1~bpo13+1","qualifiers":{},"subpath":"","is_vulnerable":false,"next_non_vulnerable_version":null,"latest_non_vulnerable_version":null,"affected_by_vulnerabilities":[],"fixing_vulnerabilities":[{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/62147?format=json","vulnerability_id":"VCID-4q13-7vrs-vka3","summary":"Caddy is an extensible server platform that uses TLS by default. Prior to version 2.11.1, Caddy's HTTP `host` request matcher is documented as case-insensitive, but when configured with a large host list (>100 entries) it becomes case-sensitive due to an optimized matching path. An attacker can bypass host-based routing and any access controls attached to that route by changing the casing of the `Host` header. Version 2.11.1 contains a fix for the issue.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2026-27588","reference_id":"","reference_type":"","scores":[{"value":"0.00062","scoring_system":"epss","scoring_elements":"0.19677","published_at":"2026-06-05T12:55:00Z"},{"value":"0.00062","scoring_system":"epss","scoring_elements":"0.1959","published_at":"2026-06-09T12:55:00Z"},{"value":"0.00062","scoring_system":"epss","scoring_elements":"0.19562","published_at":"2026-06-08T12:55:00Z"},{"value":"0.00062","scoring_system":"epss","scoring_elements":"0.19631","published_at":"2026-06-07T12:55:00Z"},{"value":"0.00062","scoring_system":"epss","scoring_elements":"0.19674","published_at":"2026-06-06T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-27588"},{"reference_url":"https://github.com/caddyserver/caddy","reference_id":"","reference_type":"","scores":[{"value":"7.7","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/caddyserver/caddy"},{"reference_url":"https://github.com/caddyserver/caddy/commit/eec32a0bb5a11651c6a7b04ce82dc50610f2b27e","reference_id":"","reference_type":"","scores":[{"value":"7.7","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/caddyserver/caddy/commit/eec32a0bb5a11651c6a7b04ce82dc50610f2b27e"},{"reference_url":"https://github.com/caddyserver/caddy/releases/tag/v2.11.1","reference_id":"","reference_type":"","scores":[{"value":"7.7","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2026-02-27T20:47:27Z/"}],"url":"https://github.com/caddyserver/caddy/releases/tag/v2.11.1"},{"reference_url":"https://github.com/caddyserver/caddy/security/advisories/GHSA-x76f-jf84-rqj8","reference_id":"","reference_type":"","scores":[{"value":"7.7","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2026-02-27T20:47:27Z/"}],"url":"https://github.com/caddyserver/caddy/security/advisories/GHSA-x76f-jf84-rqj8"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27588","reference_id":"","reference_type":"","scores":[{"value":"7.7","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27588"},{"reference_url":"https://pkg.go.dev/vuln/GO-2026-4541","reference_id":"","reference_type":"","scores":[{"value":"7.7","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://pkg.go.dev/vuln/GO-2026-4541"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1132041","reference_id":"1132041","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1132041"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/196495?format=json","purl":"pkg:deb/debian/caddy@2.11.2-1~bpo13%2B1","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/caddy@2.11.2-1~bpo13%252B1"}],"aliases":["CVE-2026-27588","GHSA-x76f-jf84-rqj8"],"risk_score":4.0,"exploitability":"0.5","weighted_severity":"8.0","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-4q13-7vrs-vka3"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/62149?format=json","vulnerability_id":"VCID-76wk-wscv-3ua5","summary":"Caddy is an extensible server platform that uses TLS by default. Prior to version 2.11.1, Caddy's FastCGI path splitting logic computes the split index on a lowercased copy of the request path and then uses that byte index to slice the original path. This is unsafe for Unicode because `strings.ToLower()` can change UTF-8 byte length for some characters. As a result, Caddy can derive an incorrect `SCRIPT_NAME`/`SCRIPT_FILENAME` and `PATH_INFO`, potentially causing a request that contains `.php` to execute a different on-disk file than intended (path confusion). In setups where an attacker can control file contents (e.g., upload features), this can lead to unintended PHP execution of non-.php files (potential RCE depending on deployment). Version 2.11.1 fixes the issue.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2026-27590","reference_id":"","reference_type":"","scores":[{"value":"0.00245","scoring_system":"epss","scoring_elements":"0.48046","published_at":"2026-06-05T12:55:00Z"},{"value":"0.00245","scoring_system":"epss","scoring_elements":"0.48014","published_at":"2026-06-09T12:55:00Z"},{"value":"0.00245","scoring_system":"epss","scoring_elements":"0.48002","published_at":"2026-06-08T12:55:00Z"},{"value":"0.00245","scoring_system":"epss","scoring_elements":"0.48032","published_at":"2026-06-07T12:55:00Z"},{"value":"0.00245","scoring_system":"epss","scoring_elements":"0.4805","published_at":"2026-06-06T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-27590"},{"reference_url":"https://github.com/caddyserver/caddy","reference_id":"","reference_type":"","scores":[{"value":"8.9","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/caddyserver/caddy"},{"reference_url":"https://github.com/caddyserver/caddy/releases/tag/v2.11.1","reference_id":"","reference_type":"","scores":[{"value":"8.9","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track*","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:Y/T:T/P:M/B:A/M:M/D:R/2026-02-27T20:51:50Z/"}],"url":"https://github.com/caddyserver/caddy/releases/tag/v2.11.1"},{"reference_url":"https://github.com/caddyserver/caddy/security/advisories/GHSA-5r3v-vc8m-m96g","reference_id":"","reference_type":"","scores":[{"value":"8.9","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track*","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:Y/T:T/P:M/B:A/M:M/D:R/2026-02-27T20:51:50Z/"}],"url":"https://github.com/caddyserver/caddy/security/advisories/GHSA-5r3v-vc8m-m96g"},{"reference_url":"https://github.com/php/frankenphp/security/advisories/GHSA-g966-83w7-6w38","reference_id":"","reference_type":"","scores":[{"value":"8.9","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track*","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:Y/T:T/P:M/B:A/M:M/D:R/2026-02-27T20:51:50Z/"}],"url":"https://github.com/php/frankenphp/security/advisories/GHSA-g966-83w7-6w38"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27590","reference_id":"","reference_type":"","scores":[{"value":"8.9","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27590"},{"reference_url":"https://pkg.go.dev/vuln/GO-2026-4536","reference_id":"","reference_type":"","scores":[{"value":"8.9","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://pkg.go.dev/vuln/GO-2026-4536"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1132041","reference_id":"1132041","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1132041"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/196495?format=json","purl":"pkg:deb/debian/caddy@2.11.2-1~bpo13%2B1","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/caddy@2.11.2-1~bpo13%252B1"}],"aliases":["CVE-2026-27590","GHSA-5r3v-vc8m-m96g"],"risk_score":4.0,"exploitability":"0.5","weighted_severity":"8.0","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-76wk-wscv-3ua5"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/62144?format=json","vulnerability_id":"VCID-b2bf-uhhd-nuex","summary":"Caddy is an extensible server platform that uses TLS by default. Prior to version 2.11.1, the path sanitization routine in file matcher doesn't sanitize backslashes which can lead to bypassing path related security protections. It affects users with specific Caddy and environment configurations. Version 2.11.1 fixes the issue.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2026-27585","reference_id":"","reference_type":"","scores":[{"value":"0.00122","scoring_system":"epss","scoring_elements":"0.30855","published_at":"2026-06-07T12:55:00Z"},{"value":"0.00122","scoring_system":"epss","scoring_elements":"0.30842","published_at":"2026-06-09T12:55:00Z"},{"value":"0.00122","scoring_system":"epss","scoring_elements":"0.30823","published_at":"2026-06-08T12:55:00Z"},{"value":"0.00122","scoring_system":"epss","scoring_elements":"0.30889","published_at":"2026-06-06T12:55:00Z"},{"value":"0.00122","scoring_system":"epss","scoring_elements":"0.30922","published_at":"2026-06-05T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-27585"},{"reference_url":"https://caddyserver.com/docs/caddyfile/directives#directive-order","reference_id":"","reference_type":"","scores":[{"value":"6.9","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://caddyserver.com/docs/caddyfile/directives#directive-order"},{"reference_url":"https://github.com/caddyserver/caddy","reference_id":"","reference_type":"","scores":[{"value":"6.9","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/caddyserver/caddy"},{"reference_url":"https://github.com/caddyserver/caddy/blob/68d50020eef0d4c3398b878f17c8092ca5b58ca0/modules/caddyhttp/fileserver/matcher.go#L361","reference_id":"","reference_type":"","scores":[{"value":"6.9","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2026-02-26T20:58:09Z/"}],"url":"https://github.com/caddyserver/caddy/blob/68d50020eef0d4c3398b878f17c8092ca5b58ca0/modules/caddyhttp/fileserver/matcher.go#L361"},{"reference_url":"https://github.com/caddyserver/caddy/blob/68d50020eef0d4c3398b878f17c8092ca5b58ca0/modules/caddyhttp/fileserver/matcher.go#L398","reference_id":"","reference_type":"","scores":[{"value":"6.9","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2026-02-26T20:58:09Z/"}],"url":"https://github.com/caddyserver/caddy/blob/68d50020eef0d4c3398b878f17c8092ca5b58ca0/modules/caddyhttp/fileserver/matcher.go#L398"},{"reference_url":"https://github.com/caddyserver/caddy/releases/tag/v2.11.1","reference_id":"","reference_type":"","scores":[{"value":"6.9","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2026-02-26T20:58:09Z/"}],"url":"https://github.com/caddyserver/caddy/releases/tag/v2.11.1"},{"reference_url":"https://github.com/caddyserver/caddy/security/advisories/GHSA-4xrr-hq4w-6vf4","reference_id":"","reference_type":"","scores":[{"value":"6.9","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2026-02-26T20:58:09Z/"}],"url":"https://github.com/caddyserver/caddy/security/advisories/GHSA-4xrr-hq4w-6vf4"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27585","reference_id":"","reference_type":"","scores":[{"value":"6.9","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27585"},{"reference_url":"https://pkg.go.dev/vuln/GO-2026-4535","reference_id":"","reference_type":"","scores":[{"value":"6.9","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://pkg.go.dev/vuln/GO-2026-4535"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1132041","reference_id":"1132041","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1132041"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/196495?format=json","purl":"pkg:deb/debian/caddy@2.11.2-1~bpo13%2B1","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/caddy@2.11.2-1~bpo13%252B1"}],"aliases":["CVE-2026-27585","GHSA-4xrr-hq4w-6vf4"],"risk_score":3.1,"exploitability":"0.5","weighted_severity":"6.2","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-b2bf-uhhd-nuex"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/62146?format=json","vulnerability_id":"VCID-bazt-3c3y-aug6","summary":"Caddy is an extensible server platform that uses TLS by default. Prior to version 2.11.1, Caddy's HTTP `path` request matcher is intended to be case-insensitive, but when the match pattern contains percent-escape sequences (`%xx`) it compares against the request's escaped path without lowercasing. An attacker can bypass path-based routing and any access controls attached to that route by changing the casing of the request path. Version 2.11.1 contains a fix for the issue.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2026-27587","reference_id":"","reference_type":"","scores":[{"value":"0.00062","scoring_system":"epss","scoring_elements":"0.19677","published_at":"2026-06-05T12:55:00Z"},{"value":"0.00062","scoring_system":"epss","scoring_elements":"0.1959","published_at":"2026-06-09T12:55:00Z"},{"value":"0.00062","scoring_system":"epss","scoring_elements":"0.19562","published_at":"2026-06-08T12:55:00Z"},{"value":"0.00062","scoring_system":"epss","scoring_elements":"0.19631","published_at":"2026-06-07T12:55:00Z"},{"value":"0.00062","scoring_system":"epss","scoring_elements":"0.19674","published_at":"2026-06-06T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-27587"},{"reference_url":"https://github.com/caddyserver/caddy","reference_id":"","reference_type":"","scores":[{"value":"7.7","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/caddyserver/caddy"},{"reference_url":"https://github.com/caddyserver/caddy/commit/a1081194bfae4e0d8c227ec44aecb95eded55d1e","reference_id":"","reference_type":"","scores":[{"value":"7.7","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/caddyserver/caddy/commit/a1081194bfae4e0d8c227ec44aecb95eded55d1e"},{"reference_url":"https://github.com/caddyserver/caddy/releases/tag/v2.11.1","reference_id":"","reference_type":"","scores":[{"value":"7.7","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2026-02-27T20:47:59Z/"}],"url":"https://github.com/caddyserver/caddy/releases/tag/v2.11.1"},{"reference_url":"https://github.com/caddyserver/caddy/security/advisories/GHSA-g7pc-pc7g-h8jh","reference_id":"","reference_type":"","scores":[{"value":"7.7","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2026-02-27T20:47:59Z/"}],"url":"https://github.com/caddyserver/caddy/security/advisories/GHSA-g7pc-pc7g-h8jh"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27587","reference_id":"","reference_type":"","scores":[{"value":"7.7","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27587"},{"reference_url":"https://pkg.go.dev/vuln/GO-2026-4538","reference_id":"","reference_type":"","scores":[{"value":"7.7","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://pkg.go.dev/vuln/GO-2026-4538"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1132041","reference_id":"1132041","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1132041"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/196495?format=json","purl":"pkg:deb/debian/caddy@2.11.2-1~bpo13%2B1","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/caddy@2.11.2-1~bpo13%252B1"}],"aliases":["CVE-2026-27587","GHSA-g7pc-pc7g-h8jh"],"risk_score":4.0,"exploitability":"0.5","weighted_severity":"8.0","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-bazt-3c3y-aug6"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/62145?format=json","vulnerability_id":"VCID-n2qt-vgx7-tfec","summary":"Caddy is an extensible server platform that uses TLS by default. Prior to version 2.11.1, two swallowed errors in `ClientAuthentication.provision()` cause mTLS client certificate authentication to silently fail open when a CA certificate file is missing, unreadable, or malformed. The server starts without error but accepts any client certificate signed by any system-trusted CA, completely bypassing the intended private CA trust boundary. Any deployment using `trusted_ca_cert_file` or `trusted_ca_certs_pem_files` for mTLS will silently degrade to accepting any system-trusted client certificate if the CA file becomes unavailable. This can happen due to a typo in the path, file rotation, corruption, or permission changes. The server gives no indication that mTLS is misconfigured. Version 2.11.1 fixes the vulnerability.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2026-27586","reference_id":"","reference_type":"","scores":[{"value":"0.00127","scoring_system":"epss","scoring_elements":"0.3166","published_at":"2026-06-05T12:55:00Z"},{"value":"0.00127","scoring_system":"epss","scoring_elements":"0.3158","published_at":"2026-06-09T12:55:00Z"},{"value":"0.00127","scoring_system":"epss","scoring_elements":"0.31555","published_at":"2026-06-08T12:55:00Z"},{"value":"0.00127","scoring_system":"epss","scoring_elements":"0.31588","published_at":"2026-06-07T12:55:00Z"},{"value":"0.00127","scoring_system":"epss","scoring_elements":"0.31625","published_at":"2026-06-06T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-27586"},{"reference_url":"https://gist.github.com/moscowchill/9566c79c76c0b64c57f8bd0716f97c48","reference_id":"","reference_type":"","scores":[{"value":"8.8","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:P"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2026-02-26T20:55:27Z/"}],"url":"https://gist.github.com/moscowchill/9566c79c76c0b64c57f8bd0716f97c48"},{"reference_url":"https://github.com/caddyserver/caddy","reference_id":"","reference_type":"","scores":[{"value":"8.8","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:P"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/caddyserver/caddy"},{"reference_url":"https://github.com/caddyserver/caddy/commit/d42d39b4bc237c628f9a95363b28044cb7a7fe72","reference_id":"","reference_type":"","scores":[{"value":"8.8","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:P"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/caddyserver/caddy/commit/d42d39b4bc237c628f9a95363b28044cb7a7fe72"},{"reference_url":"https://github.com/caddyserver/caddy/releases/tag/v2.11.1","reference_id":"","reference_type":"","scores":[{"value":"8.8","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:P"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2026-02-26T20:55:27Z/"}],"url":"https://github.com/caddyserver/caddy/releases/tag/v2.11.1"},{"reference_url":"https://github.com/caddyserver/caddy/security/advisories/GHSA-hffm-g8v7-wrv7","reference_id":"","reference_type":"","scores":[{"value":"8.8","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:P"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2026-02-26T20:55:27Z/"}],"url":"https://github.com/caddyserver/caddy/security/advisories/GHSA-hffm-g8v7-wrv7"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27586","reference_id":"","reference_type":"","scores":[{"value":"8.8","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:P"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27586"},{"reference_url":"https://pkg.go.dev/vuln/GO-2026-4539","reference_id":"","reference_type":"","scores":[{"value":"8.8","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:P"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://pkg.go.dev/vuln/GO-2026-4539"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1132041","reference_id":"1132041","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1132041"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/196495?format=json","purl":"pkg:deb/debian/caddy@2.11.2-1~bpo13%2B1","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/caddy@2.11.2-1~bpo13%252B1"}],"aliases":["CVE-2026-27586","GHSA-hffm-g8v7-wrv7"],"risk_score":4.0,"exploitability":"0.5","weighted_severity":"8.0","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-n2qt-vgx7-tfec"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/62148?format=json","vulnerability_id":"VCID-y7v2-rxtu-kyf7","summary":"Caddy is an extensible server platform that uses TLS by default. Prior to version 2.11.1, the local caddy admin API (default listen `127.0.0.1:2019`) exposes a state-changing `POST /load` endpoint that replaces the entire running configuration. When origin enforcement is not enabled (`enforce_origin` not configured), the admin endpoint accepts cross-origin requests (e.g., from attacker-controlled web content in a victim browser) and applies an attacker-supplied JSON config. This can change the admin listener settings and alter HTTP server behavior without user intent. Version 2.11.1 contains a fix for the issue.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2026-27589","reference_id":"","reference_type":"","scores":[{"value":"0.00027","scoring_system":"epss","scoring_elements":"0.08165","published_at":"2026-06-06T12:55:00Z"},{"value":"0.00027","scoring_system":"epss","scoring_elements":"0.08115","published_at":"2026-06-09T12:55:00Z"},{"value":"0.00027","scoring_system":"epss","scoring_elements":"0.08097","published_at":"2026-06-08T12:55:00Z"},{"value":"0.00027","scoring_system":"epss","scoring_elements":"0.08147","published_at":"2026-06-07T12:55:00Z"},{"value":"0.00027","scoring_system":"epss","scoring_elements":"0.08149","published_at":"2026-06-05T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-27589"},{"reference_url":"https://github.com/caddyserver/caddy","reference_id":"","reference_type":"","scores":[{"value":"6.9","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/caddyserver/caddy"},{"reference_url":"https://github.com/caddyserver/caddy/commit/65e0ddc22137bbbaa68c842ae0b98d0548504545","reference_id":"","reference_type":"","scores":[{"value":"6.9","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/caddyserver/caddy/commit/65e0ddc22137bbbaa68c842ae0b98d0548504545"},{"reference_url":"https://github.com/caddyserver/caddy/releases/tag/v2.11.1","reference_id":"","reference_type":"","scores":[{"value":"6.9","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2026-02-27T20:51:17Z/"}],"url":"https://github.com/caddyserver/caddy/releases/tag/v2.11.1"},{"reference_url":"https://github.com/caddyserver/caddy/security/advisories/GHSA-879p-475x-rqh2","reference_id":"","reference_type":"","scores":[{"value":"6.9","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2026-02-27T20:51:17Z/"}],"url":"https://github.com/caddyserver/caddy/security/advisories/GHSA-879p-475x-rqh2"},{"reference_url":"https://github.com/user-attachments/files/25079818/poc.zip","reference_id":"","reference_type":"","scores":[{"value":"6.9","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2026-02-27T20:51:17Z/"}],"url":"https://github.com/user-attachments/files/25079818/poc.zip"},{"reference_url":"https://github.com/user-attachments/files/25079820/PR_DESCRIPTION.md","reference_id":"","reference_type":"","scores":[{"value":"6.9","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2026-02-27T20:51:17Z/"}],"url":"https://github.com/user-attachments/files/25079820/PR_DESCRIPTION.md"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27589","reference_id":"","reference_type":"","scores":[{"value":"6.9","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27589"},{"reference_url":"https://pkg.go.dev/vuln/GO-2026-4537","reference_id":"","reference_type":"","scores":[{"value":"6.9","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://pkg.go.dev/vuln/GO-2026-4537"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1132041","reference_id":"1132041","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1132041"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/196495?format=json","purl":"pkg:deb/debian/caddy@2.11.2-1~bpo13%2B1","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/caddy@2.11.2-1~bpo13%252B1"}],"aliases":["CVE-2026-27589","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