CVE-2025-13321 json
Mattermost Desktop App logging sensitive information and fails to clear data on server deletion
published 10mo ago modified 29d ago also GHSA-g6qx-wq5w-wr8v , EUVD-2025-203919
- cvss
- 3.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.1%
- EPSS 0.1% chance of exploitation in 30 days, percentile 1%
- public exploits
- 0
- none known
Summary
Mattermost Desktop App versions <6.0.0 fail to sanitize sensitive information from Mattermost logs and clear data on server deletion which allows an attacker with access to the users system to gain access to potentially sensitive information via reading the application logs.
Patch / fix
Is CVE-2025-13321 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 10mo ago
Exploit prediction
0.12% chance of exploitation in the next 30 days, higher than 1% of all scored CVEs (FIRST EPSS, 2026-11-11).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 3.3 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
| GitHub | 3.1 | 3.3 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | mattermost-desktop | <=3.6.0 |
no fix listed |
Affected products
- Mattermost Mattermost
Classification
- Weakness
-
- CWE-532 Insertion of Sensitive Information into Log File
References
Sources
- CVE List CVE-2025-13321
- GitHub Advisory GHSA-g6qx-wq5w-wr8v
- NVD CVE-2025-13321
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