{"answers":{"affected":"","exploited":"There is no known exploitation of CVE-2026-46636 in the wild and no public exploit code.","fix":"Upgrade to a fixed version.","what":"CVE-2026-46636 is a high-severity vulnerability in twigphp Twig, published on 4 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-46636 and fix it if it is affected.\n\nWhat it is: CVE-2026-46636 is a high-severity vulnerability in twigphp Twig, published on 4 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2026-46636 in the wild and no public exploit code.\n\nAffected product: twigphp Twig. No package-level version data is available, so check the vendor advisory linked from the reference page.\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2026-46636/ (Markdown: https://insights.sbomify.com/CVE-2026-46636/index.md)","id":"CVE-2026-46636","markdown":"https://insights.sbomify.com/CVE-2026-46636/index.md","name":"CVE-2026-46636","record":{"aliases":["DEBIAN-CVE-2026-46636","GHSA-64jr-qjx4-w2fh","UBUNTU-CVE-2026-46636"],"analysis":{"component_type":"library","fix_type":"upgrade","impacts":["security_bypass"],"network_reachable":"yes","non_default_config":false,"product_category":"PHP template engine","requires_auth":"none","summary":"Attackers can bypass Twig sandbox restrictions by using subclasses of Markup, exposing unauthorized methods to template authors.","user_interaction":"not_required","vuln_class":"security_feature_bypass"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"GitHub_M","cpe":[],"cvss":{"score":8.7,"severity":"high","source":"cna","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0"},"cwes":[{"id":"CWE-1336","name":"Improper Neutralization of Special Elements Used in a Template Engine"}],"description":"Twig is a template language for PHP. From version 1.0.0 to before version 3.27.0, SecurityPolicy::checkMethodAllowed() unconditionally whitelists all method calls on instances of Twig\\Markup. Twig\\Markup is not final, so subclasses inherit the bypass. An application that passes an object of a Markup-derived class into a sandboxed template (typically to mark a chunk of HTML as safe) inadvertently exposes every public method of that subclass to template authors, regardless of the configured allowedMethods list. This issue has been patched in version 3.27.0.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":true,"headline":"Twig: Sandbox method allowlist bypass via `Markup` subclass","id":"CVE-2026-46636","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"security_feature_bypass","year":"2026"},"n_packages":0,"n_references":5,"next":{"headline":"Twig: HTML-output filters in twig/* extras incorrectly declared `is_safe =\u003e ['all']`","id":"CVE-2026-46637"},"packages":[],"prev":{"headline":"Twig: Sandbox property allowlist bypass via the `column` filter (array_column on objects)","id":"CVE-2026-46635"},"products":["Twig"],"published":"2026-09-04","related":[],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"yes","exploitation":"none","technical_impact":"partial"},"state":"PUBLISHED","updated":"2026-09-08","vendors":["twigphp"]},"summary":"Attackers can bypass Twig sandbox restrictions by using subclasses of Markup, exposing unauthorized methods to template authors.","url":"https://insights.sbomify.com/CVE-2026-46636/"}