{"id":"CVE-2026-24425","aliases":["CLSA-2026-1783991054","DEBIAN-CVE-2026-24425","EUVD-2026-31113","GHSA-2q52-x2ff-qgfr","ROOT-APP-COMPOSER-CVE-2026-24425","UBUNTU-CVE-2026-24425","USN-8408-1"],"status":"published","title":"Twig 2.16.x \u0026 3.9.0-3.25.x Sandbox Bypass via SourcePolicyInterface","description":"Twig versions 2.16.x and 3.9.0 through 3.25.x contain a sandbox bypass vulnerability when using a SourcePolicyInterface that allows attackers with template rendering capabilities to pass arbitrary PHP callables to sort, filter, map, and reduce filters. Attackers can exploit the runtime check that fails to use the current template source to bypass sandbox restrictions and execute arbitrary code when the sandbox is enabled through a source policy rather than globally.","severity":{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00758,"percentile":0.55537,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-693"],"published":"2026-05-20T13:45:02Z","modified":"2026-11-02T10:15:07Z","fixes":[{"ecosystem":"Packagist","package":"twig/twig","fixed_in":["3.26.0"],"sources":["ghsa","osv"]},{"ecosystem":"Debian:13","package":"php-twig","fixed_in":["3.27.0-0+deb13u1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"php-twig","fixed_in":["3.26.0-1"],"sources":["osv"]},{"ecosystem":"Root:Composer","package":"twig/twig","fixed_in":["v3.11.3-p12007002+root.io","v3.11.3-p12007003+root.io","v3.11.3-p12007004+root.io","v3.11.3-p12007005+root.io"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:26.04:LTS","package":"php-twig","fixed_in":["3.23.0-2ubuntu0.1~esm1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"twig/twig","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.16.0"},{"last_affected":"2.16.1"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"twig/twig","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.9.0"},{"fixed":"3.26.0"}]}]},{"source":"osv","ecosystem":"TuxCare:Packagist","package":"twig/twig","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"v2.16.1"},{"fixed":"v2.16.1-p1+tuxcare"}]}],"versions":["v2.16.1"],"bundled":11},{"source":"osv","ecosystem":"Debian:13","package":"php-twig","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.27.0-0+deb13u1"}]}],"versions":["3.20.0-2","3.21.1-1","3.21.1-2","3.21.1-3","3.22.0-1","3.22.0-2","3.22.1-1","3.22.1-2","3.22.1-3","3.22.2-1","3.22.2-2","3.23.0-1","3.23.0-2","3.24.0-1","3.26.0-0+deb13u1","3.26.0-1"]},{"source":"osv","ecosystem":"Debian:14","package":"php-twig","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.26.0-1"}]}],"versions":["3.20.0-2","3.21.1-1","3.21.1-2","3.21.1-3","3.22.0-1","3.22.0-2","3.22.1-1","3.22.1-2","3.22.1-3","3.22.2-1","3.22.2-2","3.23.0-1","3.23.0-2","3.24.0-1"]},{"source":"osv","ecosystem":"Packagist","package":"twig/twig","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.16.0"},{"last_affected":"2.16.1"}]}],"versions":["v2.16.0","v2.16.1"]},{"source":"osv","ecosystem":"Packagist","package":"twig/twig","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.9.0"},{"fixed":"3.26.0"}]}],"versions":["v3.10.0","v3.10.1","v3.10.2","v3.10.3","v3.11.0","v3.11.1","v3.11.2","v3.11.3","v3.12.0","v3.13.0","v3.14.0","v3.14.1","v3.14.2","v3.15.0","v3.16.0","v3.17.0","v3.17.1","v3.18.0","v3.19.0","v3.20.0","v3.21.0","v3.21.1","v3.22.0","v3.22.1","v3.22.2","v3.23.0","v3.24.0","v3.25.0","v3.9.0","v3.9.1","v3.9.2","v3.9.3"]},{"source":"osv","ecosystem":"Root:Composer","package":"twig/twig","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"v3.11.3-p12007002+root.io"},{"fixed":"v3.11.3-p12007003+root.io"},{"fixed":"v3.11.3-p12007004+root.io"},{"fixed":"v3.11.3-p12007005+root.io"}]}]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"php-twig","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.20.0-2ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:26.04:LTS","package":"php-twig","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.23.0-2ubuntu0.1~esm1"}]}],"versions":["3.20.0-2ubuntu1","3.23.0-2build5","3.23.0-2build7"]},{"source":"osv","ecosystem":"Ubuntu:Pro:26.04:LTS","package":"php-twig","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.23.0-2ubuntu0.1~esm1"}]}],"versions":["3.20.0-2ubuntu1","3.23.0-2build5","3.23.0-2build7"]}],"products":[{"vendor":"symfony","product":"twig"},{"vendor":"twigphp","product":"twig"}],"references":[{"url":"https://github.com/twigphp/Twig/security/advisories/GHSA-2q52-x2ff-qgfr","tags":["vendor-advisory","Vendor Advisory","advisory","web","report"]},{"url":"https://github.com/twigphp/Twig/releases/tag/v3.26.0","tags":["release-notes","Product","Release Notes","advisory","web","report"]},{"url":"https://www.vulncheck.com/advisories/twig-x-x-sandbox-bypass-via-sourcepolicyinterface","tags":["third-party-advisory","Third Party Advisory","advisory","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-24425","tags":["advisory"]},{"url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/twig/twig/CVE-2026-24425.yaml","tags":["web"]},{"url":"https://symfony.com/cve-2026-24425","tags":["web"]},{"url":"https://github.com/advisories/GHSA-2q52-x2ff-qgfr"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/24xxx/CVE-2026-24425.json","tags":["advisory"]},{"url":"https://github.com/twigphp/Twig","tags":["package"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-24425","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-24425","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-24425","tags":["report"]},{"url":"https://symfony.com/blog/cve-2026-24425-possible-sandbox-bypass-when-using-a-source-policy","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-8408-1","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-24425","title":"Twig 2.16.x \u0026 3.9.0-3.25.x Sandbox Bypass via SourcePolicyInterface","description":"Twig versions 2.16.x and 3.9.0 through 3.25.x contain a sandbox bypass vulnerability when using a SourcePolicyInterface that allows attackers with template rendering capabilities to pass arbitrary PHP callables to sort, filter, map, and reduce filters. Attackers can exploit the runtime check that fails to use the current template source to bypass sandbox restrictions and execute arbitrary code when the sandbox is enabled through a source policy rather than globally.","status":"published","published":"2026-05-20T13:45:02.413Z","modified":"2026-11-08T14:01:25.651Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-693"],"updated_at":"2026-11-08T15:43:32.737211Z"}],"euvd":[{"id":"EUVD-2026-31113","description":"Twig versions 2.16.x and 3.9.0 through 3.25.x contain a sandbox bypass vulnerability when using a SourcePolicyInterface that allows attackers with template rendering capabilities to pass arbitrary PHP callables to sort, filter, map, and reduce filters. Attackers can exploit the runtime check that fails to use the current template source to bypass sandbox restrictions and execute arbitrary code when the sandbox is enabled through a source policy rather than globally.","status":"published","published":"2026-05-20T13:45:02Z","modified":"2026-11-08T14:01:25Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-08T15:13:09.785497Z"}],"ghsa":[{"id":"GHSA-2q52-x2ff-qgfr","title":"Twig: Possible sandbox bypass when using a source policy","description":"# Description\n\nWhen using the sandbox with a `SourcePolicyInterface`, Twig does not always apply the sandbox restriction that forbids non-`Closure` callbacks for callback-accepting filters.\n\nThe issue affects the `sort`, `filter`, `map`, and `reduce` filters.\n\nIn the affected versions, the runtime check that rejects non-`Closure` callbacks in sandbox mode does not use the current template `Source`. As a result, when the sandbox is enabled through a source policy instead of being enabled globally, Twig can incorrectly treat the current execution as non-sandboxed for these callback checks.\n\nThis can allow user-controlled templates to pass arbitrary PHP callables to callback-accepting filters even though the template is being sandboxed through a source policy.\n\nThe issue happens when all these conditions are met:\n\n- The sandbox is not enabled globally;\n- A `SourcePolicyInterface` enables the sandbox for the rendered template;\n- The template uses one of the `sort`, `filter`, `map`, or `reduce` filters;\n- The callback is not a `Closure`.\n\n# Resolution\n\nThe patch makes callback sandbox checks source-aware by propagating the current template `Source` to callback-accepting filters and using it when deciding whether sandbox restrictions apply.\n\n# Credits\n\nWe would like to thank XavLim and Wade Sparks for reporting the issue and Fabien Potencier for fixing the issue.","status":"published","published":"2026-06-05T20:41:33Z","modified":"2026-06-05T20:41:35Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-693"],"updated_at":"2026-11-02T14:40:17.745826Z"}],"nvd":[{"id":"CVE-2026-24425","description":"Twig versions 2.16.x and 3.9.0 through 3.25.x contain a sandbox bypass vulnerability when using a SourcePolicyInterface that allows attackers with template rendering capabilities to pass arbitrary PHP callables to sort, filter, map, and reduce filters. Attackers can exploit the runtime check that fails to use the current template source to bypass sandbox restrictions and execute arbitrary code when the sandbox is enabled through a source policy rather than globally.","status":"published","published":"2026-05-20T14:16:38.917Z","modified":"2026-10-08T16:17:11.75Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-693"],"updated_at":"2026-11-02T14:12:19.752984Z"}],"osv":[{"id":"CVE-2026-24425","title":"Twig 2.16.x \u0026 3.9.0-3.25.x Sandbox Bypass via SourcePolicyInterface","description":"Twig versions 2.16.x and 3.9.0 through 3.25.x contain a sandbox bypass vulnerability when using a SourcePolicyInterface that allows attackers with template rendering capabilities to pass arbitrary PHP callables to sort, filter, map, and reduce filters. Attackers can exploit the runtime check that fails to use the current template source to bypass sandbox restrictions and execute arbitrary code when the sandbox is enabled through a source policy rather than globally.","status":"published","published":"2026-05-20T13:45:02.413Z","modified":"2026-11-09T02:30:37.05400034Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-693"],"updated_at":"2026-11-09T03:16:44.651171Z"},{"id":"DEBIAN-CVE-2026-24425","description":"Twig versions 2.16.x and 3.9.0 through 3.25.x contain a sandbox bypass vulnerability when using a SourcePolicyInterface that allows attackers with template rendering capabilities to pass arbitrary PHP callables to sort, filter, map, and reduce filters. Attackers can exploit the runtime check that fails to use the current template source to bypass sandbox restrictions and execute arbitrary code when the sandbox is enabled through a source policy rather than globally.","status":"published","published":"2026-05-20T14:16:38.917Z","modified":"2026-10-09T09:47:21.631961768Z","cvss":[{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:45:53.877573Z"},{"id":"GHSA-2q52-x2ff-qgfr","title":"Twig: Possible sandbox bypass when using a source policy","description":"# Description\n\nWhen using the sandbox with a `SourcePolicyInterface`, Twig does not always apply the sandbox restriction that forbids non-`Closure` callbacks for callback-accepting filters.\n\nThe issue affects the `sort`, `filter`, `map`, and `reduce` filters.\n\nIn the affected versions, the runtime check that rejects non-`Closure` callbacks in sandbox mode does not use the current template `Source`. As a result, when the sandbox is enabled through a source policy instead of being enabled globally, Twig can incorrectly treat the current execution as non-sandboxed for these callback checks.\n\nThis can allow user-controlled templates to pass arbitrary PHP callables to callback-accepting filters even though the template is being sandboxed through a source policy.\n\nThe issue happens when all these conditions are met:\n\n- The sandbox is not enabled globally;\n- A `SourcePolicyInterface` enables the sandbox for the rendered template;\n- The template uses one of the `sort`, `filter`, `map`, or `reduce` filters;\n- The callback is not a `Closure`.\n\n# Resolution\n\nThe patch makes callback sandbox checks source-aware by propagating the current template `Source` to callback-accepting filters and using it when deciding whether sandbox restrictions apply.\n\n# Credits\n\nWe would like to thank XavLim and Wade Sparks for reporting the issue and Fabien Potencier for fixing the issue.","status":"published","published":"2026-06-05T20:41:33Z","modified":"2026-09-10T03:51:07.523153101Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"},{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-693"],"updated_at":"2026-11-02T15:46:34.700741Z"},{"id":"UBUNTU-CVE-2026-24425","description":"Twig versions 2.16.x and 3.9.0 through 3.25.x contain a sandbox bypass vulnerability when using a SourcePolicyInterface that allows attackers with template rendering capabilities to pass arbitrary PHP callables to sort, filter, map, and reduce filters. Attackers can exploit the runtime check that fails to use the current template source to bypass sandbox restrictions and execute arbitrary code when the sandbox is enabled through a source policy rather than globally.","status":"published","published":"2026-05-20T14:16:00Z","modified":"2026-06-09T03:15:06.276539411Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"},{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical"},{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T16:56:08.726452Z"},{"id":"CLSA-2026-1783991054","title":"TuxCare security update for twig/twig (11 CVEs)","description":"TuxCare rebuilt twig/twig to address 11 CVEs. Fixed in v2.16.1-p1+tuxcare.","status":"published","published":"2026-08-04T14:52:43Z","modified":"2026-10-15T09:47:53.468304893Z","updated_at":"2026-11-02T15:43:46.151924Z"},{"id":"ROOT-APP-COMPOSER-CVE-2026-24425","title":"CVE-2026-24425 in twig/twig - Patched by Root","description":"Root has patched CVE-2026-24425 in the twig/twig package for Root:Composer. Multiple fixed versions available.","status":"published","published":"2026-11-02T09:08:15Z","modified":"2026-11-02T10:15:07.102162882Z","updated_at":"2026-11-02T15:53:26.76659Z"},{"id":"USN-8408-1","title":"php-twig vulnerability","description":"It was discovered that Twig did not properly validate PHP callables when\nusing a source policy. An authenticated user could possibly use this issue\nto execute arbitrary code.","status":"published","published":"2026-06-08T19:36:58Z","modified":"2026-06-09T03:29:12.946977941Z","updated_at":"2026-11-02T16:58:25.103481Z"}]}}