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Vulnerability record · CVE-2026-47732 · published 14 July 2026

CVE-2026-47732: Symfony twig incorrect authorization vulnerability

Symfony · Twig

Twig is a template language for PHP. Prior to 3.26.0, several Twig language constructs trigger PHP string coercion on a Stringable operand without consulting SecurityPolicy::checkMethodAllowed(), allowing a sandboxed template author to invoke __toString() on objects reachable in the render context through conditional expressions, comparison operators, tests, template-loading tags, dynamic attribute names, spread arguments, the do tag, and the .. range operator. This issue is fixed in version 3.26.0.

7.1 CVSS 4.0 High EPSS 0.40% · top 68.2% CWE-863 · Incorrect authorization
7.1CVSS 4.0 base score
0.40%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References
16 Jul 2026Last modified by NVD

Description

Twig is a template language for PHP. Prior to 3.26.0, several Twig language constructs trigger PHP string coercion on a Stringable operand without consulting SecurityPolicy::checkMethodAllowed(), allowing a sandboxed template author to invoke __toString() on objects reachable in the render context through conditional expressions, comparison operators, tests, template-loading tags, dynamic attribute names, spread arguments, the do tag, and the .. range operator. This issue is fixed in version 3.26.0.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/twigphp/Twig/commit/447d0b2331e01b8fc6e08119ac984e1ef50caef9 Patch
https://github.com/twigphp/Twig/releases/tag/v3.26.0 Release Notes
https://github.com/twigphp/Twig/security/advisories/GHSA-pr2w-4gpj-cpq4 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-47732), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.