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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2026-22809

21
FAUCET Score

CVE-2026-22809 is a Regular Expression Denial of Service (ReDoS) vulnerability affecting tarteaucitron.js versions prior to 1.29.0, specifically in its handling of the issuu_id parameter. This vulnerability carries a CVSS score of 4.4 (Medium), indicating a local attack vector with low complexity, requiring high privileges, and potentially leading to high availability impact. There is no evidence of active exploitation, and no public exploit code (Metasploit, Nuclei, ExploitDB) is available. Despite this, the vulnerability has garnered significant community discussion, with 10 mentions, suggesting awareness among security researchers.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.29.0CPE matchmatch criteria
cpe:2.3:a:amauri:tarteaucitronjs:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

4.4MEDIUM

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
0.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.11%
Probability of exploitation in next 30 days
EPSS Percentile
1.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0011 is in the 19th percentile among its peer group of 3,720 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: tarteaucitronjsFixed in: 1.29.0

Vendor Advisories (1)

npmGHSA-q5f6-qxm2-mcqmmedium

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

Jan 13, 2026

References

github.com / AmauriC/tarteaucitron.js/commit/f0bbdac2fdf3cd24a325fc0928c0d34abf1b7b52
Patch
github.com / AmauriC/tarteaucitron.js/security/advisories/GHSA-q5f6-qxm2-mcqm
PatchVendor Advisory