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CVE-2025-31363

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CVE-2025-31363

Published: Apr 16, 2025

Modified: Apr 16, 2025

PUBLISHED

CVSS v3.1

3.0

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.

VendorProductVersions

Mattermost

Mattermost

affected
10.4.0 - <= 10.4.2
affected
10.5.0
affected
9.11.0 - <= 9.11.9
unaffected
10.6.0
unaffected
10.4.3

+2 more versions

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

None

Availability

None

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