CVE-2025-31363 - CVE House
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Status published Low CVE-2025-31363

Data exfiltration via AI plugin Jira tool

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Juho Forsén

References

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Affected Vendor

Affected Software

Mattermost
Vulnerable Versions:
10.4.0, 10.5.0, 9.11.0, 10.6.0, 10.4.3, 10.5.1, 9.11.10

Timeline

Official Publish: April 16th, 2025
Last Modified: April 16th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:N/A:N

Weaknesses (CWE)

CWE-1426

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.