CVE-2025-31363 — Data exfiltration via AI plugin Jira tool

CVE-2025-31363

Data exfiltration via AI plugin Jira tool PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
Mattermost / Mattermost	affected 10.4.0 through 10.4.2; affected 10.5.0; affected 9.11.0 through 9.11.9; unaffected 10.6.0; unaffected 10.4.3; unaffected 10.5.1; unaffected 9.11.10

CWE

CWE-1426

References

https://mattermost.com/security-updates

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.