CVE-2025-31363

LOW

3.0

Description

Mattermost versions 10.4.x <= 10.4.2, 10.5.x <= 10.5.0, 9.11.x <= 9.11.9 fail to restrict domains the LLM can request to contact upstream which allows an authenticated user to exfiltrate data from an arbitrary server accessible to the victim via performing a prompt injection in the AI plugin's Jira tool.

CVE Details

CVSS v3.1 Score3.0

SeverityLOW

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

Attack VectorNETWORK

ComplexityHIGH

Privileges RequiredLOW

User InteractionREQUIRED

Published4/16/2025

Last Modified9/29/2025

Sourcenvd

Honeypot Sightings0

Affected Products

mattermost:mattermost_server

References

https://mattermost.com/security-updates(responsibledisclosure@mattermost.com)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.