CVE-2025-31363

Data exfiltration via AI plugin Jira tool

State: Published
Severity: 3.0 Low
Published: Apr 16, 2025
Updated: Apr 16, 2025
Reserved: Apr 8, 2025

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.

Scores

CVSS	Score	Vector	Source
3.1	3.0 Low	CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:N/A:N	Mattermost

Weaknesses

CWE-1426 Improper Validation of Generative AI Output

Affected Products

Product	Versions
MattermostMattermost	10.4.0 through 10.4.2Affected 10.5.0Affected 9.11.0 through 9.11.9Affected 10.6.0Not affected 10.4.3Not affected 10.5.1Not affected 9.11.10Not affected

References

https://mattermost.com/security-updates

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