CVE-2026-12320Disclosure(mozilla / firefox)

LOWCVSS 4.3 · MEDIUM

Signal is active with 3 mentions in latest observed window

Immediate actions

Patch mozilla firefox systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

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

mozilla CVEs Back to dashboard

0.5/ 10 priority

Sources & remediation

Vendor / third-party advisories

Other references

https://bugzilla.mozilla.org/show_bug.cgi?id=2027572

Weakness type (CWE)

CWE-200

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

firefox
thunderbird

Threat summary

Patch or workaround signal is available
3 mentions across 1 observed day

What's happening

Patch or workaround mentioned in 2 signals
Technical details provided in 3 signals
Disclosure: 2 classified signals
3 total mentions across 1 day

Affected systems

Vendors

mozilla

Products

firefoxthunderbird

Deep dive

Activity timeline3 mentions / 1d

Signal classification2 categories

Disclosure

266.7%

Patch

133.3%

Referenced assets3 URLs

By indicator

Full discourse3 posts

Infoflowcloud@infoflowcloud138d
Disclosure
🚨*CVE* CVE-2026-12320 Information disclosure in the Password Manager component. This vulnerability was fixed in Firefox 152 and Thunderbird 152. https://www.cve.org/CVERecord?id=CVE-2026-12320 ----- Traducción: CVE-2026-12320 Divulgación de información en el componente Gesto… http://infoflow.cloud`
Post summary
The post announces CVE‑2026‑12320, an information‑disclosure flaw in the Password Manager, and notes it has already been patched in Firefox 152 and Thunderbird 152.
0000031
82 followersView on X
CVE@CVEnew138d
Patch
CVE-2026-12320 Information disclosure in the Password Manager component. This vulnerability was fixed in Firefox 152 and Thunderbird 152. https://www.cve.org/CVERecord?id=CVE-2026-12320
Post summary
This entry announces CVE‑2026‑12320, an information disclosure flaw in Firefox’s Password Manager, which has already been addressed in Firefox 152 and Thunderbird 152.
00000239
57.6K followersView on X
Vulmon Vulnerability Feed@VulmonFeeds138d
Disclosure
CVE-2026-12320 Information Disclosure in Firefox Password Manager Component Version 152 https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-12320
Post summary
The post announces a new Firefox Password Manager information disclosure vulnerability (CVE‑2026‑12320), without providing a PoC, exploit, or patch details.
0000039
4.0K followersView on X

CPE platform detail2 entries

Part:

Vendor:

Product:

Version:

Target SW:

Target HW:

2 of 2 entries

Part	Vendor	Product	Version	Target SW	Target HW
App	mozilla	firefox	-	-	-
App	mozilla	thunderbird	-	-	-

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