How severe is CVE-2026-22809?

CVE-2026-22809 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-22809 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-22809?

CVE-2026-22809 affects Amauri Tarteaucitronjs. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-22809?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-22809 have an EU (EUVD) identifier?

Yes. CVE-2026-22809 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-2021.

When was CVE-2026-22809 published?

CVE-2026-22809 was published on 2026-01-13 and last updated on 2026-06-17.

CVE-2026-22809

CVE-2026-22809 is a medium-severity vulnerability in Amauri Tarteaucitronjs with a CVSS 3.x base score of 4.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1333.

Key facts

Severity: Medium (CVSS 3.x base score 4.4)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-2021
Weakness: CWE-1333
Affected product: Amauri Tarteaucitronjs
Published: 2026-01-13
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-22809?: 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.
How severe is CVE-2026-22809?: CVE-2026-22809 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-22809 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-22809?: CVE-2026-22809 affects Amauri Tarteaucitronjs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-22809?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-22809 have an EU (EUVD) identifier?: Yes. CVE-2026-22809 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-2021.
When was CVE-2026-22809 published?: CVE-2026-22809 was published on 2026-01-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:amauri:tarteaucitronjs:*:*:*:*:*:node.js:*:*

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