CVE-2026-49977: tarteaucitron: data-cookie attribute can be used to delete arbitrary cookies

July 10, 2026

tarteaucitron provides a list of cookies and buttons to delete them. If an attacker can write HTML with data attributes, they could create an element that silently deletes a cookie when clicked and trick a user to delete this cookie.

References

github.com/AmauriC/tarteaucitron.js/security/advisories/GHSA-jxj7-g6gm-49j7
github.com/advisories/GHSA-jxj7-g6gm-49j7
nvd.nist.gov/vuln/detail/CVE-2026-49977

Code Behaviors & Features

Detect and mitigate CVE-2026-49977 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →