CVE-2026-22809: tarteaucitron.js is a compliant and accessible cookie banner

Routine

MEDIUM 4.4UPGRADE

CVE-2026-22809 is a medium-severity flaw (CVSS 4.4) affecting tarteaucitronjs. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.4 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	0.1% (top 98%)
CISA exploited list	No
Weakness	CWE-1333
Published	2026-01-13
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: amauri

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-01-13 20:16 UTCPublished CVE record published
2026-06-17 10:20 UTCUpdated Record last modified

amauri tarteaucitronjs UPGRADE

Affected: < 1.29.0

Fixed in: 1.29.0

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls tarteaucitronjs

2. UPGRADE to 1.29.0

npm install tarteaucitronjs@">=1.29.0"

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-22809?

tarteaucitronjs: upgrade to 1.29.0. Exact commands for each OS are on this page.

Is CVE-2026-22809 being exploited?

CVE-2026-22809 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-22809 affect?

CVE-2026-22809 affects tarteaucitronjs. Severity is medium (CVSS 4.4). 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

How urgent is CVE-2026-22809?

Priority 16/100. No elevated risk signals yet.

Related CVEs

CVE-2025-48939 MEDIUM 4.2 UPGRADE tarteaucitron.js is a compliant and accessible cookie banner
CVE-2025-31476 MEDIUM 4.8 UPGRADE UPGRADE tarteaucitron.js is a compliant and accessible cookie banner
CVE-2025-31475 MEDIUM 5.5 UPGRADE tarteaucitron.js is a compliant and accessible cookie banner
CVE-2025-31138 MEDIUM 5.5 UPGRADE tarteaucitron.js is a compliant and accessible cookie banner

References

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