CVEvulnerability

CVE-2025-31363

6.5 MEDIUM Published 2025-04-16 Modified 2026-06-17 Official page ↗
Status
Analyzed
Published
2025-04-16
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
3.0 LOW — CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:N/A:N
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

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.

Affected configurations

• mattermost mattermost server (>= 9.11.0 < 9.11.10) • mattermost mattermost server (>= 10.4.0 < 10.4.3) • mattermost mattermost server 10.5.0

References