CVE-2026-111714

Low

Description

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.

SeverityLow

CVSS3.1

Exploit probability—

ProductAmauric Tarteaucitron.js

PublishedOct 16, 2026

First seenOct 16, 2026

Weakness typeCWE-1333CWE-1333

How to fix

Update

AmauriC tarteaucitron.js1.37.0 or later

Patches

github.com/AmauriC/tarteaucitron.js/commit/60faaba5fd541cad770549d422fc4ac7de657e56

Vendor advisories

github.com/AmauriC/tarteaucitron.js/releases/tag/v1.37.0

Affected products

Product	Affected versions	Fixed in
AmauriC tarteaucitron.js	v < 1.37.0	1.37.0

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