CVE-2025-31363

low

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.

References

https://mattermost.com/security-updates

Details

Source: Mitre, NVD

Published: 2025-04-16

Updated: 2025-04-16

Risk Information

CVSS v2

Base Score: 2.1

Vector: CVSS2#AV:N/AC:H/Au:S/C:P/I:N/A:N

Severity: Low

CVSS v3

Base Score: 3

Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:N/A:N

Severity: Low

EPSS

EPSS: 0.00027