6.8

CVE-2026-9699

Mattermost Agents plugin logs unsanitized OpenAI API keys on authentication errors

Mattermost Plugins versions <=11.6 10.18.11 11.3.6 11.6.5.0 fail to sanitize error responses from the OpenAI API before logging, which allows a user with access to server logs or support packets to obtain a valid or partially reconstructable OpenAI API key via inspection of mattermost.log entries generated during authentication failures. Mattermost Advisory ID: MMSA-2026-00609
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerMattermost
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Produkt Mattermost
Default Statusunaffected
Version <= 10.18.11
Version 0
Status affected
Version <= 11.3.6
Version 0
Status affected
Version <= 11.6.5
Version 0
Status affected
Version 11.7.0
Status unaffected
Version 10.11.19
Status unaffected
Version 11.6.4
Status unaffected
Version 11.5.7
Status unaffected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.33% 0.243
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
responsibledisclosure@mattermost.com 6.8 2.3 4
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
CWE-532 Insertion of Sensitive Information into Log File

The product writes sensitive information to a log file.

https://mattermost.com/security-updates