CVE-2026-46627

Summary

Twig is a template language for PHP. Prior to 3.26.0, the Twig sandbox does not prevent a template from consuming CPU, memory, or wall-clock time, even under the strictest allow-list, allowing untrusted templates to cause resource exhaustion. This issue is addressed in version 3.26.0 by documenting that the sandbox does not protect against resource exhaustion.

Affected Software

Weaknesses

• CWE-400: CWE-400: Uncontrolled Resource Consumption

References

• https://github.com/twigphp/Twig/security/advisories/GHSA-923g-j88x-j34q
• https://github.com/twigphp/Twig/commit/6bfa285e2f98651adb7aa480bf83a741d154f09f
• https://github.com/twigphp/Twig/releases/tag/v3.26.0

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