Auth bypass in Amauric Tarteaucitron.js

CVE-2026-49977

tarteaucitron.js is a compliant and accessible cookie banner. Prior to 1.33.0, tarteaucitron.cookie.purge() is called on any element with the purgeBtn class and does not check whether the element is a legitimate tarteaucitron button or whe…

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-49977?
CVE-2026-49977 is a medium-severity vulnerability in Amauric Tarteaucitron.js, classified under Improper Authorization. CVSS score: 4.3/10. Published 2026-07-17.
How severe is CVE-2026-49977?
Medium severity. CVSS v3 base score is 4.3 out of 10.