CVE-2026-6765

MEDIUM

Information disclosure in the Form Autofill component

Title source: cna

Description

Information disclosure in the Form Autofill component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

References (5)

Core 5

Core References

https://www.mozilla.org/security/advisories/mfsa2026-33/

https://www.mozilla.org/security/advisories/mfsa2026-34/

https://bugzilla.mozilla.org/show_bug.cgi?id=2022419

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

https://www.mozilla.org/security/advisories/mfsa2026-32/

Scores

CVSS v3 5.3

EPSS 0.0022

EPSS Percentile 11.8%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-359

Status published

Products (7)

mozilla/firefox < 140.10.0

mozilla/firefox < 150.0

Mozilla/Firefox 140.10 - 140.*

Mozilla/Firefox 150

mozilla/thunderbird < 140.10.0

Mozilla/Thunderbird 140.10 - 140.*

Mozilla/Thunderbird 150

Published Apr 21, 2026

Tracked Since Apr 21, 2026