CVE-2026-6768
Received Received - Intake
Mitigation Bypass in Firefox Networking Cookies Component

Publication date: 2026-04-21

Last updated on: 2026-04-22

Assigner: Mozilla Corporation

Description
Mitigation bypass in the Networking: Cookies component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
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Meta Information
Published
2026-04-21
Last Modified
2026-04-22
Generated
2026-06-16
AI Q&A
2026-04-21
EPSS Evaluated
2026-06-14
NVD
CVE-2026-6768
EUVD
EUVD-2026-24109
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
mozilla firefox to 150.0 (exc)
mozilla thunderbird to 150.0 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-288 The product requires authentication, but the product has an alternate path or channel that does not require authentication.
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Executive Summary

This vulnerability is a mitigation bypass in the Networking: Cookies component of Firefox. It means that a security measure designed to protect or restrict cookie handling was circumvented or bypassed, potentially allowing unintended behavior or exploitation. The issue was fixed in Firefox version 150.

Impact Analysis

Bypassing mitigation in the cookie handling component could allow attackers to manipulate or access cookies in ways that were previously prevented. This might lead to unauthorized access, session hijacking, or other security risks related to user data and authentication.

Mitigation Strategies

The vulnerability was fixed in Firefox 150. To mitigate this vulnerability, you should update your Firefox browser to version 150 or later.

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