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.
No analysis available yet.
Remediation
Vendor Solution
Update Mattermost to versions 10.6.0, 10.4.3, 10.5.1, 9.11.10 or higher.
Tracking
Sign in to view the affected projects.
Advisories
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2025-11357 | Mattermost doesn't restrict domains LLM can request to contact upstream |
Github GHSA |
GHSA-9h6j-4ffx-cm84 | Mattermost doesn't restrict domains LLM can request to contact upstream |
References
| Link | Providers |
|---|---|
| https://mattermost.com/security-updates |
|
History
Mon, 29 Sep 2025 21:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Mattermost
Mattermost mattermost Server |
|
| Weaknesses | NVD-CWE-Other | |
| CPEs | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* cpe:2.3:a:mattermost:mattermost_server:10.5.0:-:*:*:*:*:*:* |
|
| Vendors & Products |
Mattermost
Mattermost mattermost Server |
Wed, 16 Apr 2025 09:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | Data exfiltration via AI plugin Jira tool | |
| Weaknesses | CWE-1426 | |
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: Mattermost
Published:
Updated: 2025-04-16T14:33:01.674Z
Reserved: 2025-04-08T07:50:19.617Z
Link: CVE-2025-31363
No data.
Status : Analyzed
Published: 2025-04-16T10:15:15.170
Modified: 2025-09-29T21:24:36.903
Link: CVE-2025-31363
No data.
OpenCVE Enrichment
No data.
Weaknesses
EUVD
Github GHSA