{"schema_version":"1.9.0","id":"CVE-2025-31363","published":"2025-04-16T09:14:15.992Z","modified":"2026-08-12T03:51:19.969616882Z","aliases":["GHSA-9h6j-4ffx-cm84","GO-2025-3622"],"related":["CGA-rwm6-6rp6-x58x","openSUSE-SU-2025:15017-1"],"summary":"Data exfiltration via AI plugin Jira tool","details":"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":[{"ranges":[{"type":"GIT","repo":"https://github.com/mattermost/mattermost","events":[{"introduced":"0bc2ddd42375a75ab14e63f038165150d4f07659"},{"fixed":"66f75be4b099a46587a044cdadc3693671271166"},{"introduced":"7c8c0b7464fa9cd2fbfb97c65d1475b4be2e765c"},{"fixed":"e644e3c8e3931a9432bbd23ff6a219c5664011e9"},{"introduced":"58bd34fd34cbd7d3da777d627b6cffdf8a532930"},{"last_affected":"58bd34fd34cbd7d3da777d627b6cffdf8a532930"}],"database_specific":{"cpe":["cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*","cpe:2.3:a:mattermost:mattermost_server:10.5.0:-:*:*:*:*:*:*"],"extracted_events":[{"introduced":"9.11.0"},{"fixed":"9.11.10"},{"introduced":"10.4.0"},{"fixed":"10.4.3"},{"introduced":"10.5.0-NA"},{"last_affected":"10.5.0-NA"}],"source":["CPE_RANGE","CPE_STRING"]}}],"versions":["10.5.0-NA","v9.11.10-rc1","v9.11.9","v10.4.3-rc3","v9.11.9-rc2","v10.4.3-rc2","v9.11.9-rc1","v10.4.3-rc1","v10.5.0-rc6","v10.5.0","@mattermost/types@10.5.0","@mattermost/client@10.5.0","v9.11.8","v10.4.2","v9.11.7-rc3","v9.11.7","v10.4.1","v9.11.7-rc2","v10.4.0-rc3","v10.4.0","@mattermost/types@10.4.0","@mattermost/client@10.4.0","v9.11.7-rc1","v9.11.6","v9.11.6-rc2","v9.11.6-rc1","v9.11.5","v9.11.5-rc1","v9.11.4","v9.11.4-rc1","v9.11.3","v9.11.3-rc2","v9.11.3-rc1","v9.11.2","v9.11.2-rc2","v9.11.2-rc1","v9.11.1-rc1","v9.11.1","v9.11.0-rc3","v9.11.0","@mattermost/types@9.11.0","@mattermost/client@9.11.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-31363.json"}}],"references":[{"type":"WEB","url":"https://mattermost.com/security-updates"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/31xxx/CVE-2025-31363.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-31363"}],"database_specific":{"cna_assigner":"Mattermost","cwe_ids":["CWE-1426"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/31xxx/CVE-2025-31363.json","unresolved_ranges":[{"extracted_events":[{"introduced":"10.4.0"},{"last_affected":"10.4.2"},{"introduced":"10.5.0"},{"last_affected":"10.5.0"},{"introduced":"9.11.0"},{"last_affected":"9.11.9"}],"source":"AFFECTED_FIELD"}]},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:N/A:N"}]}