| Name | CVE-2026-48806 |
| Description | Twig is a template language for PHP. Prior to 3.27.0, ArrayExpression does not guard dynamic mapping keys that are coerced to strings, allowing PHP to invoke __toString() on a Stringable object used as a mapping key without calling SandboxExtension::ensureToStringAllowed(). This issue is fixed in version 3.27.0. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| php-twig (PTS) | bullseye | 2.14.3-1+deb11u2 | fixed |
| bullseye (security) | 2.14.3-1+deb11u4 | fixed |
| bookworm, bookworm (security) | 3.5.1-1+deb12u3 | fixed |
| trixie (security), trixie | 3.27.0-0+deb13u1 | fixed |
| forky, sid | 3.27.1-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| php-twig | source | bullseye | (not affected) | | | |
| php-twig | source | bookworm | (not affected) | | | |
| php-twig | source | trixie | (not affected) | | | |
| php-twig | source | (unstable) | 3.27.0-1 | | | |
Notes
[trixie] - php-twig <not-affected> (Fix for CVE-2026-47732 not yet shipped)
[bookworm] - php-twig <not-affected> (Fix for CVE-2026-47732 not yet shipped)
[bullseye] - php-twig <not-affected> (Fix for CVE-2026-47732 not yet shipped)
https://symfony.com/blog/cve-2026-48806-sandbox-tostring-policy-bypass-via-dynamic-mapping-keys