CVE-2026-24425

HIGH 8.8

Twig 2.16.x & 3.9.0-3.25.x Sandbox Bypass via SourcePolicyInterface

CVSS Score

8.8

EPSS Score

0.0%

EPSS Percentile

0th

Twig versions 2.16.x and 3.9.0 through 3.25.x contain a sandbox bypass vulnerability when using a SourcePolicyInterface that allows attackers with template rendering capabilities to pass arbitrary PHP callables to sort, filter, map, and reduce filters. Attackers can exploit the runtime check that fails to use the current template source to bypass sandbox restrictions and execute arbitrary code when the sandbox is enabled through a source policy rather than globally.

CWE	CWE-693
Vendor	twigphp
Product	twig
Published	May 20, 2026
Last Updated	May 20, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

twigphp / Twig

3.9.0 < 3.26.0 2.16.*

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/twigphp/Twig/security/advisories/GHSA-2q52-x2ff-qgfr github.com: https://github.com/twigphp/Twig/releases/tag/v3.26.0 vulncheck.com: https://www.vulncheck.com/advisories/twig-x-x-sandbox-bypass-via-sourcepolicyinterface

Credits

Nicolò Ribaudo Fabien Potencier VulnCheck