{"url":"http://public2.vulnerablecode.io/api/packages/975845?format=json","purl":"pkg:npm/%40opennextjs/cloudflare@1.8.2","type":"npm","namespace":"@opennextjs","name":"cloudflare","version":"1.8.2","qualifiers":{},"subpath":"","is_vulnerable":true,"next_non_vulnerable_version":"1.17.1","latest_non_vulnerable_version":"1.17.1","affected_by_vulnerabilities":[{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/50702?format=json","vulnerability_id":"VCID-yh9z-bz2t-fyf6","summary":"opennextjs-cloudflare has SSRF vulnerability via /cdn-cgi/ path normalization bypass\nA Server-Side Request Forgery (SSRF) vulnerability was identified in the @opennextjs/cloudflare package, resulting from a path normalization bypass in the /cdn-cgi/image/ handler.\n\nThe @opennextjs/cloudflare worker template includes a /cdn-cgi/image/ handler intended for development use only. In production, Cloudflare's edge intercepts /cdn-cgi/image/ requests before they reach the Worker. However, by substituting a backslash for a forward slash (/cdn-cgi\\image/ instead of /cdn-cgi/image/), an attacker can bypass edge interception and have the request reach the Worker directly. The JavaScript URL class then normalizes the backslash to a forward slash, causing the request to match the handler and trigger an unvalidated fetch of arbitrary remote URLs.\n\nFor example: https://victim-site.com/cdn-cgi\\image/aaaa/https://attacker.com\n\nIn this example, attacker-controlled content from attacker.com is served through the victim site's domain (victim-site.com), violating the same-origin policy and potentially misleading users or other services.\n\nNote: This bypass only works via HTTP clients that preserve backslashes in paths (e.g., curl --path-as-is). Browsers normalize backslashes to forward slashes before sending requests.\n\nAdditionally, Cloudflare Workers with Assets and Cloudflare Pages  suffer from a similar vulnerability. Assets stored under /cdn-cgi/ paths are not publicly accessible under normal conditions. However, using the same backslash bypass (/cdn-cgi\\... instead of /cdn-cgi/...), these assets become publicly accessible. This could be used to retrieve private data. For example, Open Next projects store incremental cache data under /cdn-cgi/_next_cache, which could be exposed via this bypass.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2026-3125","reference_id":"","reference_type":"","scores":[{"value":"0.00012","scoring_system":"epss","scoring_elements":"0.01939","published_at":"2026-06-06T12:55:00Z"},{"value":"0.00012","scoring_system":"epss","scoring_elements":"0.0191","published_at":"2026-06-09T12:55:00Z"},{"value":"0.00012","scoring_system":"epss","scoring_elements":"0.01917","published_at":"2026-06-08T12:55:00Z"},{"value":"0.00012","scoring_system":"epss","scoring_elements":"0.0193","published_at":"2026-06-07T12:55:00Z"},{"value":"0.00012","scoring_system":"epss","scoring_elements":"0.01933","published_at":"2026-06-05T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-3125"},{"reference_url":"https://github.com/opennextjs/opennextjs-cloudflare","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:L/VI:L/VA:N/SC:H/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/opennextjs/opennextjs-cloudflare"},{"reference_url":"https://github.com/opennextjs/opennextjs-cloudflare/commit/f5bd138fd3c77e02f2aa4b9c76d55681e59e98b4","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:L/VI:L/VA:N/SC:H/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/opennextjs/opennextjs-cloudflare/commit/f5bd138fd3c77e02f2aa4b9c76d55681e59e98b4"},{"reference_url":"https://github.com/opennextjs/opennextjs-cloudflare/pull/1147","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:L/VI:L/VA:N/SC:H/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2026-03-04T18:58:41Z/"}],"url":"https://github.com/opennextjs/opennextjs-cloudflare/pull/1147"},{"reference_url":"https://www.cve.org/cverecord?id=CVE-2025-6087","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:L/VI:L/VA:N/SC:H/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2026-03-04T18:58:41Z/"}],"url":"https://www.cve.org/cverecord?id=CVE-2025-6087"},{"reference_url":"https://www.npmjs.com/package/@opennextjs/cloudflare/v/1.17.1","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:L/VI:L/VA:N/SC:H/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2026-03-04T18:58:41Z/"}],"url":"https://www.npmjs.com/package/@opennextjs/cloudflare/v/1.17.1"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2026-3125","reference_id":"CVE-2026-3125","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:L/VI:L/VA:N/SC:H/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-3125"},{"reference_url":"https://github.com/advisories/GHSA-c7mq-gh6q-6q7c","reference_id":"GHSA-c7mq-gh6q-6q7c","reference_type":"","scores":[{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-c7mq-gh6q-6q7c"},{"reference_url":"https://github.com/opennextjs/opennextjs-cloudflare/security/advisories/GHSA-c7mq-gh6q-6q7c","reference_id":"GHSA-c7mq-gh6q-6q7c","reference_type":"","scores":[{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""},{"value":"7.7","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:H/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/opennextjs/opennextjs-cloudflare/security/advisories/GHSA-c7mq-gh6q-6q7c"},{"reference_url":"https://github.com/advisories/GHSA-rvpw-p7vw-wj3m","reference_id":"GHSA-rvpw-p7vw-wj3m","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:L/VI:L/VA:N/SC:H/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2026-03-04T18:58:41Z/"}],"url":"https://github.com/advisories/GHSA-rvpw-p7vw-wj3m"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/74473?format=json","purl":"pkg:npm/%40opennextjs/cloudflare@1.17.1","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:npm/%2540opennextjs/cloudflare@1.17.1"}],"aliases":["CVE-2026-3125","GHSA-c7mq-gh6q-6q7c"],"risk_score":4.0,"exploitability":"0.5","weighted_severity":"8.0","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-yh9z-bz2t-fyf6"}],"fixing_vulnerabilities":[],"risk_score":"4.0","resource_url":"http://public2.vulnerablecode.io/packages/pkg:npm/%2540opennextjs/cloudflare@1.8.2"}