Mitigation Bypass Vulnerability in Firefox's Networking Cookies Component
CVE-2026-6768

Currently unrated

Key Information:

Vendor: Mozilla
Status: Firefox
Vendor: CVE Published:; 21 April 2026

What is CVE-2026-6768?

A mitigation bypass vulnerability has been identified within the Networking: Cookies component in Firefox. This flaw could potentially allow unauthorized access or manipulation of cookies, undermining user security measures. Mozilla addressed this vulnerability in Firefox version 150, emphasizing the importance of keeping software updated to maintain robust security standards.

Affected Version(s)

Firefox 150

References

https://bugzilla.mozilla.org/show_bug.cgi?id=2023615

https://www.mozilla.org/security/advisories/mfsa2026-30/

Download the Critical Vulnerability Management Cheat Sheet

Timeline

Vulnerability published
Apr 21, 2026
Vulnerability Reserved
Apr 21, 2026

Credit

Satoki Tsuji

CVE-2026-6768 Data

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