Medium 4.4Published Jan 13, 2026

CVE-2026-22809tarteaucitron.js has Regular Expression Denial of Service (ReDoS) vulnerability

Updated under an hour ago (Oct 26, 2026, 12:23 PM ET)

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It affects AmauriC tarteaucitron.js and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for AmauriC tarteaucitron.js

Exploited in the last 30 days

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.

CVSS: 4.4 MEDIUM (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-1333
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: GitHub_M
NVD analysis: Analyzed
Record last updated: Jan 13, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

AmauriC tarteaucitron.js amauric:tarteaucitron.js (from the name)	before 1.29.0	CNA record
amauri tarteaucitronjs amauri:tarteaucitronjs	before 1.29.0	NVD

References

https://github.com/AmauriC/tarteaucitron.js/security/advisories/GHSA-q5f6-qxm2-mcqmx-refsource-confirm, patch, vendor-advisory
https://github.com/AmauriC/tarteaucitron.js/commit/f0bbdac2fdf3cd24a325fc0928c0d34abf1b7b52x-refsource-misc, patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.