{"id":"CVE-2026-46633","aliases":["CLSA-2026-1783991054","CLSA-2026-1784682913","CLSA-2026-1786534048","CLSA-2026-1794214791","DEBIAN-CVE-2026-46633","EUVD-2026-44558","GHSA-7p85-w9px-jpjp","ROOT-APP-COMPOSER-CVE-2026-46633","UBUNTU-CVE-2026-46633"],"status":"published","title":"Twig: PHP code injection via `{% use %}` template name","description":"Twig is a template language for PHP. Prior to 3.26.0, Compiler::string() does not escape single quotes when a template name from a {% use %} tag is placed inside a PHP single-quoted string literal, allowing a crafted template name to terminate the string and inject arbitrary PHP expressions into the compiled cache file. This issue is fixed in version 3.26.0.","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":"2026-11-09","score":0.00774,"percentile":0.56001,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-94"],"published":"2026-05-21T21:24:53Z","modified":"2026-11-09T19:15:14Z","fixes":[{"ecosystem":"Packagist","package":"twig/twig","fixed_in":["3.26.0"],"sources":["ghsa","osv"]},{"ecosystem":"Debian:12","package":"php-twig","fixed_in":["3.5.1-1+deb12u3"],"sources":["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-p12007001+root.io","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"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"twig/twig","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.15.1"},{"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":"TuxCare:Packagist","package":"twig/twig","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"v2.15.6"},{"fixed":"v2.15.6-p2+tuxcare"}]}],"versions":["v2.15.6","v2.15.6-p1+tuxcare"],"bundled":10},{"source":"osv","ecosystem":"TuxCare:Packagist","package":"twig/twig","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"v1.44.8"},{"fixed":"v1.44.8-p1+tuxcare"}]}],"versions":["v1.44.8"],"bundled":8},{"source":"osv","ecosystem":"TuxCare:Packagist","package":"twig/twig","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"v3.19.0"},{"fixed":"v3.19.0-p1+tuxcare"}]}],"versions":["v3.19.0"],"bundled":10},{"source":"osv","ecosystem":"Debian:12","package":"php-twig","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.5.1-1+deb12u3"}]}],"versions":["3.5.1-1","3.5.1-1+deb12u1","3.5.1-1+deb12u2"]},{"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":"1.15.1"},{"fixed":"3.26.0"}]}],"versions":["v1.15.1","v1.16.0","v1.16.1","v1.16.2","v1.16.3","v1.17.0","v1.18.0","v1.18.1","v1.18.2","v1.19.0","v1.20.0","v1.21.0","v1.21.1","v1.21.2","v1.22.0","v1.22.1","v1.22.2","v1.22.3","v1.23.0","v1.23.1","v1.23.2","v1.23.3","v1.24.0","v1.24.1","v1.24.2","v1.25.0","v1.26.0","v1.26.1","v1.27.0","v1.28.0","v1.28.1","v1.28.2","v1.29.0","v1.30.0","v1.31.0","v1.32.0","v1.33.0","v1.33.1","v1.33.2","v1.34.0","v1.34.1","v1.34.2","v1.34.3","v1.34.4","v1.35.0","v1.35.1","v1.35.2","v1.35.3","v1.35.4","v1.36.0","v1.37.0","v1.37.1","v1.38.0","v1.38.1","v1.38.2","v1.38.3","v1.38.4","v1.39.0","v1.39.1","v1.40.0","v1.40.1","v1.41.0","v1.42.0","v1.42.1","v1.42.2","v1.42.3","v1.42.4","v1.42.5","v1.43.0","v1.43.1","v1.44.0","v1.44.1","v1.44.2","v1.44.3","v1.44.4","v1.44.5","v1.44.6","v1.44.7","v1.44.8","v2.0.0","v2.1.0","v2.10.0","v2.11.0","v2.11.1","v2.11.2","v2.11.3","v2.12.0","v2.12.1","v2.12.2","v2.12.3","v2.12.4","v2.12.5","v2.13.0","v2.13.1","v2.14.0","v2.14.1","v2.14.10","v2.14.11","v2.14.12","v2.14.13","v2.14.2","v2.14.3","v2.14.4","v2.14.5","v2.14.6","v2.14.7","v2.14.8","v2.14.9","v2.15.0","v2.15.1","v2.15.2","v2.15.3","v2.15.4","v2.15.5","v2.15.6","v2.16.0","v2.16.1","v2.2.0","v2.3.0","v2.3.1","v2.3.2","v2.4.0","v2.4.1","v2.4.2","v2.4.3","v2.4.4","v2.4.5","v2.4.6","v2.4.7","v2.4.8","v2.5.0","v2.6.0","v2.6.1","v2.6.2","v2.7.0","v2.7.1","v2.7.2","v2.7.3","v2.7.4","v2.8.0","v2.8.1","v2.9.0","v3.0.0","v3.0.0-BETA1","v3.0.1","v3.0.2","v3.0.3","v3.0.4","v3.0.5","v3.1.0","v3.1.1","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","v3.2.1","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","v3.3.0","v3.3.1","v3.3.10","v3.3.2","v3.3.3","v3.3.4","v3.3.5","v3.3.6","v3.3.7","v3.3.8","v3.3.9","v3.4.0","v3.4.1","v3.4.2","v3.4.3","v3.5.0","v3.5.1","v3.6.0","v3.6.1","v3.7.0","v3.7.1","v3.8.0","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-p12007001+root.io"},{"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:Pro:20.04:LTS","package":"php-twig","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.11.3-2","2.12.1-1","2.12.2-1","2.12.3-1","2.12.5-1","2.12.5-1ubuntu0.1~esm1","2.12.5-1ubuntu0.1~esm2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:22.04:LTS","package":"php-twig","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.3.2-1ubuntu3","3.3.4-1","3.3.6-1","3.3.7-1","3.3.8-2ubuntu4","3.3.8-2ubuntu4+esm1","3.3.8-2ubuntu4+esm2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:24.04:LTS","package":"php-twig","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.7.0-1","3.7.1-1","3.8.0-2","3.8.0-2ubuntu0.1~esm1","3.8.0-2ubuntu1","3.8.0-2ubuntu1+esm1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"php-twig","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.20.0-2ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"php-twig","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.23.0-2build7","3.27.1-1","3.28.0-1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:26.04:LTS","package":"php-twig","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.20.0-2ubuntu1","3.23.0-2build5","3.23.0-2build7","3.23.0-2ubuntu0.1~esm1"]}],"products":[{"vendor":"symfony","product":"twig"},{"vendor":"twigphp","product":"twig"}],"references":[{"url":"https://github.com/twigphp/Twig/security/advisories/GHSA-7p85-w9px-jpjp","tags":["x_refsource_CONFIRM","Vendor Advisory","advisory","web"]},{"url":"https://github.com/twigphp/Twig/commit/679447fa29083043665482ccf7d64372472621b8","tags":["x_refsource_MISC","Patch","fix","web"]},{"url":"https://github.com/twigphp/Twig/commit/e9ff55f6910832428e48a35b2e0748189ad49ae3","tags":["x_refsource_MISC","Patch","fix","web"]},{"url":"https://github.com/twigphp/Twig/releases/tag/v3.26.0","tags":["x_refsource_MISC","Release Notes","web"]},{"url":"https://github.com/twigphp/Twig/commit/a2c6db7ea7d2c90923e6708019ec1442526d1c30","tags":["fix","web"]},{"url":"https://gist.github.com/vladko312/d61b950f168c791db4786b83dc7a81e6","tags":["web"]},{"url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/twig/twig/CVE-2026-46633.yaml","tags":["advisory","web"]},{"url":"https://symfony.com/cve-2026-46633","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-46633","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-7p85-w9px-jpjp"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46633.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-46633","tags":["advisory"]},{"url":"https://github.com/twigphp/Twig","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2026-46633","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-46633","tags":["report"]},{"url":"https://symfony.com/blog/cve-2026-46633-php-code-injection-via-use-template-name","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-46633","title":"Twig: PHP code injection via `{% use %}` template name","description":"Twig is a template language for PHP. Prior to 3.26.0, Compiler::string() does not escape single quotes when a template name from a {% use %} tag is placed inside a PHP single-quoted string literal, allowing a crafted template name to terminate the string and inject arbitrary PHP expressions into the compiled cache file. This issue is fixed in version 3.26.0.","status":"published","published":"2026-07-14T21:14:24.916Z","modified":"2026-07-16T03:55:36.587Z","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"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T13:46:55.086623Z"}],"euvd":[{"id":"EUVD-2026-44558","description":"Twig is a template language for PHP. Starting in 1.15.1 and prior to 3.26.0, Compiler::string() does not escape single quotes when a template name from a {% use %} tag is placed inside a PHP single-quoted string literal, allowing a crafted template name to terminate the string and inject arbitrary PHP expressions into the compiled cache file. This issue is fixed in version 3.26.0.","status":"published","published":"2026-07-14T21:14:24Z","modified":"2026-11-04T00:01:29Z","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":"2026-11-04T01:51:27.299093Z"}],"ghsa":[{"id":"GHSA-7p85-w9px-jpjp","title":"Twig: PHP code injection via `{% use %}` template name","description":"### Description\n\n`Compiler::string()` escapes `\"`, `$`, `\\`, NUL and TAB when generating PHP double-quoted string literals, but does not escape single quotes. In `ModuleNode::compileConstructor()`, the template name from a `{% use %}` tag is compiled via `subcompile()` -\u003e `string()` and placed inside a surrounding PHP single-quoted string literal. A template name containing a single quote terminates that surrounding string early, allowing arbitrary PHP expressions to be injected into the compiled cache file.\n\nThe injected code executes within the PHP process when the cache file is first loaded, bypassing the Twig sandbox entirely and achieving remote code execution. `SecurityPolicy` unconditionally allows `{% use %}` regardless of the configured `allowedTags`, so this primitive is reachable from sandboxed templates as well.\n\n### Resolution\n\n`Compiler::string()` now also escapes single quotes so that template names placed inside single-quoted PHP literals can no longer break out of the surrounding context.\n\n### Credits\n\nTwig would like to thank Anvil Secure in collaboration with Claude and Anthropic Research for reporting the issue and providing the fix.","status":"published","published":"2026-05-21T21:24:53Z","modified":"2026-11-04T00:00:33Z","cvss":[{"version":"4.0","score":9.3,"vector":"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","level":"critical"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-94"],"updated_at":"2026-11-04T00:48:15.639016Z"}],"nvd":[{"id":"CVE-2026-46633","description":"Twig is a template language for PHP. Starting in 1.15.1 and prior to 3.26.0, Compiler::string() does not escape single quotes when a template name from a {% use %} tag is placed inside a PHP single-quoted string literal, allowing a crafted template name to terminate the string and inject arbitrary PHP expressions into the compiled cache file. This issue is fixed in version 3.26.0.","status":"published","published":"2026-07-14T22:16:55.997Z","modified":"2026-11-04T00:17:27.887Z","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":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-94"],"updated_at":"2026-11-04T01:48:34.004968Z"}],"osv":[{"id":"CVE-2026-46633","title":"Twig: PHP code injection via `{% use %}` template name","description":"Twig is a template language for PHP. Starting in 1.15.1 and prior to 3.26.0, Compiler::string() does not escape single quotes when a template name from a {% use %} tag is placed inside a PHP single-quoted string literal, allowing a crafted template name to terminate the string and inject arbitrary PHP expressions into the compiled cache file. This issue is fixed in version 3.26.0.","status":"published","published":"2026-07-14T21:14:24.916Z","modified":"2026-11-05T02:31:09.196457659Z","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-94"],"updated_at":"2026-11-07T03:08:06.142401Z"},{"id":"DEBIAN-CVE-2026-46633","description":"Twig is a template language for PHP. Starting in 1.15.1 and prior to 3.26.0, Compiler::string() does not escape single quotes when a template name from a {% use %} tag is placed inside a PHP single-quoted string literal, allowing a crafted template name to terminate the string and inject arbitrary PHP expressions into the compiled cache file. This issue is fixed in version 3.26.0.","status":"published","published":"2026-07-14T22:16:55.997Z","modified":"2026-11-04T09:47:35.230430349Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-04T10:05:32.187009Z"},{"id":"GHSA-7p85-w9px-jpjp","title":"Twig: PHP code injection via `{% use %}` template name","description":"### Description\n\n`Compiler::string()` escapes `\"`, `$`, `\\`, NUL and TAB when generating PHP double-quoted string literals, but does not escape single quotes. In `ModuleNode::compileConstructor()`, the template name from a `{% use %}` tag is compiled via `subcompile()` -\u003e `string()` and placed inside a surrounding PHP single-quoted string literal. A template name containing a single quote terminates that surrounding string early, allowing arbitrary PHP expressions to be injected into the compiled cache file.\n\nThe injected code executes within the PHP process when the cache file is first loaded, bypassing the Twig sandbox entirely and achieving remote code execution. `SecurityPolicy` unconditionally allows `{% use %}` regardless of the configured `allowedTags`, so this primitive is reachable from sandboxed templates as well.\n\n### Resolution\n\n`Compiler::string()` now also escapes single quotes so that template names placed inside single-quoted PHP literals can no longer break out of the surrounding context.\n\n### Credits\n\nTwig would like to thank Anvil Secure in collaboration with Claude and Anthropic Research for reporting the issue and providing the fix.","status":"published","published":"2026-05-21T21:24:53Z","modified":"2026-11-04T00:15:05.269160107Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"},{"version":"4.0","score":9.3,"vector":"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","level":"critical"}],"cwes":["CWE-94"],"updated_at":"2026-11-04T00:48:43.377621Z"},{"id":"UBUNTU-CVE-2026-46633","description":"Twig is a template language for PHP. Starting in 1.15.1 and prior to 3.26.0, Compiler::string() does not escape single quotes when a template name from a {% use %} tag is placed inside a PHP single-quoted string literal, allowing a crafted template name to terminate the string and inject arbitrary PHP expressions into the compiled cache file. This issue is fixed in version 3.26.0.","status":"published","published":"2026-07-14T22:16:00Z","modified":"2026-11-05T11:46:36.755110423Z","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":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-05T13:30:15.321876Z"},{"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":"CLSA-2026-1784682913","title":"TuxCare security update for twig/twig (10 CVEs)","description":"TuxCare rebuilt twig/twig to address 10 CVEs. Fixed in v2.15.6-p2+tuxcare.","status":"published","published":"2026-08-04T14:52:46Z","modified":"2026-10-15T09:47:59.839636397Z","updated_at":"2026-11-02T15:43:46.482572Z"},{"id":"CLSA-2026-1786534048","title":"TuxCare security update for twig/twig (8 CVEs)","description":"TuxCare rebuilt twig/twig to address 8 CVEs. Fixed in v1.44.8-p1+tuxcare.","status":"published","published":"2026-08-12T11:27:28Z","modified":"2026-10-15T09:47:59.705236491Z","updated_at":"2026-11-02T15:43:46.850893Z"},{"id":"CLSA-2026-1794214791","title":"TuxCare security update for twig/twig (10 CVEs)","description":"TuxCare rebuilt twig/twig to address 10 CVEs. Fixed in v3.19.0-p1+tuxcare.","status":"published","published":"2026-11-09T09:59:52Z","modified":"2026-11-09T19:15:14.540306307Z","updated_at":"2026-11-09T19:38:09.278998Z"},{"id":"ROOT-APP-COMPOSER-CVE-2026-46633","title":"CVE-2026-46633 in twig/twig - Patched by Root","description":"Root has patched CVE-2026-46633 in the twig/twig package for Root:Composer. Multiple fixed versions available.","status":"published","published":"2026-11-02T09:08:15Z","modified":"2026-11-02T10:15:07.004578588Z","updated_at":"2026-11-02T15:53:26.76659Z"}]}}