CVE-2026-6768: Vulnerability in Mozilla Firefox
Mitigation bypass in the Networking: Cookies component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
AI Analysis
Technical Summary
CVE-2026-6768 is a mitigation bypass vulnerability affecting the Networking: Cookies component in Mozilla Firefox. This flaw could potentially allow bypassing of security mitigations related to cookie handling. The vulnerability was fixed in Firefox 150 as part of a broader security update that addressed multiple issues. The vendor advisory from Mozilla (MFSA 2026-30) lists this vulnerability with moderate impact and confirms the availability of a fix in Firefox 150.
Potential Impact
The vulnerability allows a mitigation bypass in the Networking: Cookies component, which could undermine security controls related to cookie management. The impact is assessed as moderate by the vendor. There are no reports of active exploitation in the wild. The fix in Firefox 150 mitigates the risk by addressing the underlying issue.
Mitigation Recommendations
Users and administrators should update Mozilla Firefox to version 150 or later to remediate this vulnerability. The vendor advisory confirms that the issue is fixed in Firefox 150. No additional mitigation steps are indicated or required beyond applying the official update.
CVE-2026-6768: Vulnerability in Mozilla Firefox
Description
Mitigation bypass in the Networking: Cookies component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-6768 is a mitigation bypass vulnerability affecting the Networking: Cookies component in Mozilla Firefox. This flaw could potentially allow bypassing of security mitigations related to cookie handling. The vulnerability was fixed in Firefox 150 as part of a broader security update that addressed multiple issues. The vendor advisory from Mozilla (MFSA 2026-30) lists this vulnerability with moderate impact and confirms the availability of a fix in Firefox 150.
Potential Impact
The vulnerability allows a mitigation bypass in the Networking: Cookies component, which could undermine security controls related to cookie management. The impact is assessed as moderate by the vendor. There are no reports of active exploitation in the wild. The fix in Firefox 150 mitigates the risk by addressing the underlying issue.
Mitigation Recommendations
Users and administrators should update Mozilla Firefox to version 150 or later to remediate this vulnerability. The vendor advisory confirms that the issue is fixed in Firefox 150. No additional mitigation steps are indicated or required beyond applying the official update.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2026-04-21T12:41:00.686Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://www.mozilla.org/security/advisories/mfsa2026-30/","vendor":"Mozilla"}]
Threat ID: 69e7789e19fe3cd2cdd164ad
Added to database: 4/21/2026, 1:16:14 PM
Last enriched: 4/21/2026, 1:33:16 PM
Last updated: 4/22/2026, 5:21:36 AM
Views: 8
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