CVE-2026-9699mediumCWE-532

Mattermost Agents plugin logs unsanitized OpenAI API keys on authentication errors

13Vexday Risk Score

Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.

ssvc Trackcvss 6.8epss 0.3%

probabilidad de explotación

0.3%top 75% de las CVE

explotación observada

noninguna fuente lo reporta

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:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N

Productos afectados

Mattermost · Mattermost

Referencias

https://mattermost.com/security-updates