CVE-2026-12320

Information disclosure in the Password Manager component

State: Published
Severity: 4.3 Medium
Published: Jun 16, 2026
Updated: Jun 16, 2026
Reserved: Jun 15, 2026

Description

Information disclosure in the Password Manager component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.

Scores

CVSS	Score	Vector	Source
3.1	4.3 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N	CISA-ADP

Weaknesses

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

Affected Products

Product	Versions
FirefoxMozilla	152 and laterNot affected
ThunderbirdMozilla	152 and laterNot affected

References

https://bugzilla.mozilla.org/show_bug.cgi?id=2027572
https://www.mozilla.org/security/advisories/mfsa2026-57/
https://www.mozilla.org/security/advisories/mfsa2026-60/

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.