{"id":"CVE-2026-49981","summary":"Twig: Sandbox filter, tag and function allow-list bypass when sandbox state changes between renders for a cached `Template`","details":"Twig is a template language for PHP. Prior to 3.27.0, the per-template filter, tag, and function allow-list verdict is computed when a Template instance is constructed and can remain cached after sandbox state changes between renders, allowing a later sandboxed render to reuse a template that was originally checked with a different or empty policy. This issue is fixed in version 3.27.0.","aliases":["GHSA-529h-vh3j-85hq"],"modified":"2026-07-17T03:41:39.002980120Z","published":"2026-07-14T21:26:00.460Z","database_specific":{"cna_assigner":"GitHub_M","cwe_ids":["CWE-693","CWE-863"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/49xxx/CVE-2026-49981.json"},"references":[{"type":"WEB","url":"https://github.com/twigphp/Twig/releases/tag/v3.27.0"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/49xxx/CVE-2026-49981.json"},{"type":"ADVISORY","url":"https://github.com/twigphp/Twig/security/advisories/GHSA-529h-vh3j-85hq"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-49981"},{"type":"FIX","url":"https://github.com/twigphp/Twig/commit/23eb6eb1267cb0d303b91eb5cff9b0c559c538a4"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/twigphp/twig","events":[{"introduced":"0"},{"fixed":"23eb6eb1267cb0d303b91eb5cff9b0c559c538a4"},{"fixed":"04ae1bfe9463c816cf72ca0abe7eae2c77a9a9ed"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"3.27.0"}],"source":["AFFECTED_FIELD","REFERENCES"]}}],"versions":["v3.26.0","v3.25.0","v3.24.0","v3.23.0","v3.22.2","v3.22.1","v3.22.0","v3.21.1","v3.21.0","v3.20.0","v3.19.0","v3.18.0","v3.17.1","v3.17.0","v3.16.0","v3.15.0","v3.14.0","v3.11.0","v3.13.0","v3.12.0","v3.10.3","v3.10.2","v3.10.1","v3.10.0","v3.9.3","v3.9.2","v3.9.1","v3.9.0","v3.8.0","v3.7.1","v3.7.0","v3.6.1","v3.6.0","v3.5.1","v3.5.0","v3.4.3","v3.4.2","v3.4.1","v3.4.0","v3.3.10","v3.3.9","v3.3.8","v3.3.7","v3.3.6","v3.3.5","v3.3.4","v3.3.3","v3.3.2","v3.3.1","v3.3.0","v3.2.1","v3.1.1","v3.1.0","v3.0.5","v3.0.4","v3.0.3","v3.0.2","v3.0.1","v3.0.0","v3.0.0-BETA1","v2.8.1","v2.8.0","v2.7.4","v2.7.3","v2.7.2","v2.7.1","v2.7.0","v2.6.2","v2.6.1","v2.6.0","v2.5.0","v2.4.8","v2.4.7","v2.4.6","v2.4.5","v2.4.4","v2.4.3","v2.4.2","v2.4.1","v2.4.0","v2.3.2","v2.3.1","v2.3.0","v2.2.0","v2.1.0","v2.0.0","v1.18.0","v1.17.0","v1.16.3","v1.16.2","v1.16.1","v1.16.0","v1.15.1","v1.15.0","v1.14.2","v1.14.1","v1.14.0","v1.13.2","v1.13.1","v1.13.0","v1.12.3","v1.12.2","v1.12.1","v1.12.0","v1.12.0-RC1","v1.11.1","v1.11.0","v1.10.3","v1.10.2","v1.10.1","v1.10.0","v1.9.2","v1.9.1","v1.9.0","v1.8.3","v1.8.2","v1.8.1","v1.8.0","v1.7.0","v1.6.4","v1.6.3","v1.6.2","v1.6.1","v1.5.1","v1.6.0","v1.5.0","v1.5.0-RC2","v1.5.0-RC1","v1.4.0","v1.4.0-RC2","v1.4.0-RC1","v1.3.0","v1.3.0-RC1","v1.2.0","v1.2.0-RC1","v1.1.2","v1.1.1","v1.1.0","v1.1.0-RC3","v1.1.0-RC2","v1.1.0-RC1","v1.0.0","v1.0.0-RC2","v1.0.0-RC1","v0.9.10","v0.9.9","v0.9.8","v0.9.7","v0.9.6","v0.9.5","v0.9.4","v0.9.2","v0.9.1","v0.9.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-49981.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N"}]}