CVE-2026-9699
🔶 mediumSummary
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
CVSS Score
6.8
Medium
EPSS Score
-
Published Date
2026-06-26
First Seen: 2026-06-27
📊 Relative Risk Intelligence
This CVE is Lower Risk - more severe than 48.8% of all 330,193 vulnerabilities in our database.
#169,083
Below average severity
Severity Percentile
🎯 CISA SSVC Assessment Updated: Jun 26, 2026
🔍 Exploitation Status
None
No known exploits
⚙️ Automatable
NO
Requires human interaction
💥 Technical Impact
Partial
Limited system impact
🏆 Discovered By
Edgar Bellot Micó
SSVC data provided by
CISA
Last Modified
2026-06-26
Source
NVD 🔗
CVSS Vector 3.1
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
CWE IDs (Weakness Types)