๐Ÿ›ก๏ธ CVE-2026-8950
๐Ÿ”ด CVSS 9.3 โ€” Critical โœ… No Known Exploit CWE-346 NVD
9.3
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Same-origin policy bypass in the Networking: HTTP component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

Details

Severity CRITICAL
CVSS Score 9.3
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
CWE CWE-346
Public Exploit โœ… No
Source NVD
Published 2026-05-19
Updated 2026-06-02
Modified 2026-05-20
Fix URL N/A

Affected Packages

Software From version Fixed in
firefox โ€” 151.0.0
thunderbird โ€” 151.0.0
unknown โ€” โ€”

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