CVE-2026-111714
What it is
tarteaucitron.js before 1.37.0 contains a regular expression denial of service vulnerability that allows attackers to block visitor pages by supplying unescaped cookie names to cookie.purge. Attackers can plant a cookie from a sibling subdomain or inject a purgeBtn element with a catastrophic-backtracking data-cookie pattern that freezes the page when the purge button is clicked.
At a glance
- Exploitability
- Can be exploited over the network without logging in, but needs a user to act. Limited direct impact.
- Exploit odds
- 0.2% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.2% in the next 30 days (EPSS).
- Severity: 2.3 LOW (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.2% · EPSS, next 30 days
- Weakness
- CWE-1333
- Record status
- Awaiting Analysis
Attack profile CVSS 4.0 · 2.3
- Attack vector
- Network
- Complexity
- High
- Attack requirements
- Present
- Privileges needed
- None
- User interaction
- Passive
- Confidentiality
- None
- Integrity
- None
- Availability
- Low
Raw vector
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2026-111714.md and follow it. Check whether this project is affected by CVE-2026-111714. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://github.com/AmauriC/tarteaucitron.js/commit/60faaba5fd541cad770549d422fc4ac7de657e56
- https://github.com/AmauriC/tarteaucitron.js/releases/tag/v1.37.0
References
- https://github.com/AmauriC/tarteaucitron.js/blob/v1.36.0/tarteaucitron.js#L2169-L2175
- https://github.com/AmauriC/tarteaucitron.js/commit/60faaba5fd541cad770549d422fc4ac7de657e56
- https://github.com/AmauriC/tarteaucitron.js/releases/tag/v1.37.0
- https://www.vulncheck.com/advisories/tarteaucitron-js-before-1.37.0-redos-via-unescaped-cookie-name-in-cookie-purge