CVE-2026-6760
Mitigation Bypass in Firefox Networking Cookies Component
Publication date: 2026-04-21
Last updated on: 2026-04-22
Assigner: Mozilla Corporation
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| mozilla | firefox | to 150.0 (exc) |
| mozilla | thunderbird | to 150.0 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-288 | The product requires authentication, but the product has an alternate path or channel that does not require authentication. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a mitigation bypass in the Networking: Cookies component of Mozilla Firefox. It means that a security measure designed to protect or restrict cookie handling was circumvented, potentially allowing unintended access or behavior related to cookies. The issue was fixed in Firefox version 150.
How can this vulnerability impact me? :
Bypassing mitigation in the cookie handling component could allow attackers to exploit cookies in ways that were previously prevented. This might lead to unauthorized access to session information, user tracking, or other security issues related to cookie management in Firefox.
What immediate steps should I take to mitigate this vulnerability?
The vulnerability was fixed in Firefox 150. To mitigate this vulnerability, you should update your Firefox browser to version 150 or later.