{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/50542?format=json","vulnerability_id":"VCID-8u2j-17a4-q7eh","summary":"Craft CMS Vulnerable to Authenticated RCE via \"craft.app.fs.write()\" in Twig Templates\nAn authenticated administrator can achieve Remote Code Execution (RCE) by injecting a Server-Side Template Injection (SSTI) payload into Twig template fields (e.g., Email Templates). By calling the `craft.app.fs.write()` method, an attacker can write a malicious PHP script to a web-accessible directory and subsequently access it via the browser to execute arbitrary system commands.\n\n---","aliases":[{"alias":"CVE-2026-28697"},{"alias":"GHSA-v47q-jxvr-p68x"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/73953?format=json","purl":"pkg:composer/craftcms/cms@4.17.0-beta.1","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:composer/craftcms/cms@4.17.0-beta.1"},{"url":"http://public2.vulnerablecode.io/api/packages/73952?format=json","purl":"pkg:composer/craftcms/cms@5.9.0-beta.1","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:composer/craftcms/cms@5.9.0-beta.1"}],"affected_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/65261?format=json","purl":"pkg:composer/craftcms/cms@4.0.0-RC1","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-1468-4fdx-kbfr"},{"vulnerability":"VCID-1mb5-28xp-ckd2"},{"vulnerability":"VCID-2vn9-2cs3-vbg3"},{"vulnerability":"VCID-5cxe-tjpb-3qan"},{"vulnerability":"VCID-71sv-62m4-z3er"},{"vulnerability":"VCID-7y4f-ef7t-47eb"},{"vulnerability":"VCID-8u2j-17a4-q7eh"},{"vulnerability":"VCID-9enr-b6zd-mbh8"},{"vulnerability":"VCID-akrv-yqnf-1kg8"},{"vulnerability":"VCID-azr5-12f8-hfbm"},{"vulnerability":"VCID-c2nk-y4rx-1qf4"},{"vulnerability":"VCID-cys8-jnmu-77ec"},{"vulnerability":"VCID-ec34-nvn3-qbcb"},{"vulnerability":"VCID-f7gc-cgka-tycr"},{"vulnerability":"VCID-h6t5-pdp5-8qhe"},{"vulnerability":"VCID-hyct-5gap-7kdu"},{"vulnerability":"VCID-jeyh-3jxd-z3g6"},{"vulnerability":"VCID-jhen-vhqx-n7dr"},{"vulnerability":"VCID-jsfs-azcs-mfcm"},{"vulnerability":"VCID-jxz8-g6fq-dubw"},{"vulnerability":"VCID-kbrc-85av-nfcn"},{"vulnerability":"VCID-m5rf-usae-yfb7"},{"vulnerability":"VCID-ppet-ruae-1kav"},{"vulnerability":"VCID-qq68-3j4y-47am"},{"vulnerability":"VCID-qwmy-d2e8-5khw"},{"vulnerability":"VCID-qywv-vf4r-8bh9"},{"vulnerability":"VCID-r5hp-5nju-9ubz"},{"vulnerability":"VCID-twuy-wzb7-k7g3"},{"vulnerability":"VCID-vasz-rnn1-67ev"},{"vulnerability":"VCID-w9yn-1573-hyau"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:composer/craftcms/cms@4.0.0-RC1"},{"url":"http://public2.vulnerablecode.io/api/packages/73168?format=json","purl":"pkg:composer/craftcms/cms@5.0.0-RC1","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-1468-4fdx-kbfr"},{"vulnerability":"VCID-1mb5-28xp-ckd2"},{"vulnerability":"VCID-39ct-cg7w-kyb6"},{"vulnerability":"VCID-4wkr-jx1w-77hn"},{"vulnerability":"VCID-5cxe-tjpb-3qan"},{"vulnerability":"VCID-5mnd-qvaq-k3am"},{"vulnerability":"VCID-5q5g-jrxm-eyhe"},{"vulnerability":"VCID-71sv-62m4-z3er"},{"vulnerability":"VCID-7y4f-ef7t-47eb"},{"vulnerability":"VCID-8u2j-17a4-q7eh"},{"vulnerability":"VCID-9enr-b6zd-mbh8"},{"vulnerability":"VCID-a3b5-pwyh-yugv"},{"vulnerability":"VCID-akrv-yqnf-1kg8"},{"vulnerability":"VCID-azr5-12f8-hfbm"},{"vulnerability":"VCID-c2nk-y4rx-1qf4"},{"vulnerability":"VCID-cys8-jnmu-77ec"},{"vulnerability":"VCID-esma-wxje-eqh3"},{"vulnerability":"VCID-fpea-e48p-kfbn"},{"vulnerability":"VCID-h6t5-pdp5-8qhe"},{"vulnerability":"VCID-hkp9-3hzv-quhk"},{"vulnerability":"VCID-hyct-5gap-7kdu"},{"vulnerability":"VCID-jeyh-3jxd-z3g6"},{"vulnerability":"VCID-jsfs-azcs-mfcm"},{"vulnerability":"VCID-jxz8-g6fq-dubw"},{"vulnerability":"VCID-kbrc-85av-nfcn"},{"vulnerability":"VCID-m5rf-usae-yfb7"},{"vulnerability":"VCID-pgm4-svq8-tfc5"},{"vulnerability":"VCID-ppet-ruae-1kav"},{"vulnerability":"VCID-qq68-3j4y-47am"},{"vulnerability":"VCID-qywv-vf4r-8bh9"},{"vulnerability":"VCID-r5hp-5nju-9ubz"},{"vulnerability":"VCID-rb7c-3nkc-gkeg"},{"vulnerability":"VCID-twuy-wzb7-k7g3"},{"vulnerability":"VCID-vasz-rnn1-67ev"},{"vulnerability":"VCID-vvhc-rnpr-ubey"},{"vulnerability":"VCID-w9yn-1573-hyau"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:composer/craftcms/cms@5.0.0-RC1"}],"references":[{"reference_url":"https://github.com/craftcms/cms","reference_id":"","reference_type":"","scores":[{"value":"9.4","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H"},{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/craftcms/cms"},{"reference_url":"https://github.com/craftcms/cms/commit/9dc2a4a3ec8e9cd5e8c0d1129f36371437519197","reference_id":"","reference_type":"","scores":[{"value":"9.4","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H"},{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/craftcms/cms/commit/9dc2a4a3ec8e9cd5e8c0d1129f36371437519197"},{"reference_url":"https://github.com/craftcms/cms/pull/18216","reference_id":"","reference_type":"","scores":[{"value":"9.4","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H"},{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/craftcms/cms/pull/18216"},{"reference_url":"https://github.com/craftcms/cms/pull/18219","reference_id":"","reference_type":"","scores":[{"value":"9.4","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H"},{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/craftcms/cms/pull/18219"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2026-28697","reference_id":"CVE-2026-28697","reference_type":"","scores":[{"value":"9.4","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H"},{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-28697"},{"reference_url":"https://github.com/advisories/GHSA-v47q-jxvr-p68x","reference_id":"GHSA-v47q-jxvr-p68x","reference_type":"","scores":[],"url":"https://github.com/advisories/GHSA-v47q-jxvr-p68x"},{"reference_url":"https://github.com/craftcms/cms/security/advisories/GHSA-v47q-jxvr-p68x","reference_id":"GHSA-v47q-jxvr-p68x","reference_type":"","scores":[{"value":"9.4","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H"},{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/craftcms/cms/security/advisories/GHSA-v47q-jxvr-p68x"}],"weaknesses":[{"cwe_id":1336,"name":"Improper Neutralization of Special Elements Used in a Template Engine","description":"The product uses a template engine to insert or process externally-influenced input, but it does not neutralize or incorrectly neutralizes special elements or syntax that can be interpreted as template expressions or other code directives when processed by the engine."},{"cwe_id":937,"name":"OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities","description":"Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2013."},{"cwe_id":1035,"name":"OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities","description":"Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2017."}],"exploits":[],"severity_range_score":"9.0 - 10.0","exploitability":"0.5","weighted_severity":"9.0","risk_score":4.5,"resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-8u2j-17a4-q7eh"}