CVE-2026-12320

Information disclosure in the Password Manager component

Published Jun 16, 2026 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Description
Information disclosure in the Password Manager component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Mozilla thunderbird
CPEs cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*
Vendors & Products Mozilla thunderbird
Type Values Removed Values Added
Description Information disclosure in the Password Manager component. This vulnerability was fixed in Firefox 152. Information disclosure in the Password Manager component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
References
Type Values Removed Values Added
Weaknesses CWE-200
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Mozilla
Mozilla firefox
Vendors & Products Mozilla
Mozilla firefox
Type Values Removed Values Added
Description Information disclosure in the Password Manager component. This vulnerability was fixed in Firefox 152.
Title Information disclosure in the Password Manager component
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mozilla
Published
Updated
Jun 16, 2026, 4:08 PM
Reserved
Jun 15, 2026, 3:08 PM
Status
Analyzed
Published
Jun 16, 2026, 1:16 PM
Modified
Oct 26, 2026, 12:10 PM
Severity
Low
Public date
Jun 16, 2026, 11:52 AM