CVE-2026-22809

tarteaucitron.js has Regular Expression Denial of Service (ReDoS) vulnerability

State: Published
Severity: 4.4 Medium
Published: Jan 13, 2026
Updated: Jan 13, 2026
Reserved: Jan 9, 2026

Description

tarteaucitron.js is a compliant and accessible cookie banner. Prior to 1.29.0, a Regular Expression Denial of Service (ReDoS) vulnerability was identified in tarteaucitron.js in the handling of the issuu_id parameter. This vulnerability is fixed in 1.29.0.

Scores

CVSS	Score	Vector	Source
3.1	4.4 Medium	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H	GitHub_M

Weaknesses

CWE-1333 Inefficient Regular Expression Complexity

Affected Products

Product	Versions
tarteaucitron.jsAmauriC	< 1.29.0Affected

References

https://github.com/AmauriC/tarteaucitron.js/security/advisories/GHSA-q5f6-qxm2-mcqm
https://github.com/AmauriC/tarteaucitron.js/commit/f0bbdac2fdf3cd24a325fc0928c0d34abf1b7b52

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