{"id":"CVE-2025-9079","aliases":["GHSA-qx3f-6vq3-8j8m","GO-2025-3977"],"url":"https://o3.security/vulnerability/CVE-2025-9079","summary":"Admin RCE via prepackaged plugins by way of misconfigured imports directory","details":"Mattermost versions 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 9.11.x <= 9.11.17, 10.10.x <= 10.10.1, 10.9.x <= 10.9.3 fail to validate import directory path configuration which allows admin users to execute arbitrary code via malicious plugin upload to prepackaged plugins directory","published":"2025-09-19T19:22:00.288Z","modified":"2026-10-28T02:30:53.202774729Z","cvss":{"score":8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H"},"epss":{"score":0.00642,"percentile":0.47999,"asOf":"2026-08-24"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/mattermost/mattermost-server","fixedVersion":"10.8.4"},{"ecosystem":"Go","name":"github.com/mattermost/mattermost-server","fixedVersion":"10.5.9"},{"ecosystem":"Go","name":"github.com/mattermost/mattermost-server","fixedVersion":"9.11.18"},{"ecosystem":"Go","name":"github.com/mattermost/mattermost-server","fixedVersion":"10.10.2"},{"ecosystem":"Go","name":"github.com/mattermost/mattermost-server","fixedVersion":"10.9.4"},{"ecosystem":"Go","name":"github.com/mattermost/mattermost/server/v8","fixedVersion":"8.0.0-20250707221302-a8fa77f107ef"}],"fix":{"url":"https://github.com/mattermost/mattermost/commit/047a2c64071749367fe02d2162f6103a3d31a883","label":"mattermost/mattermost@047a2c6"},"references":[{"type":"WEB","url":"https://mattermost.com/security-updates"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/9xxx/CVE-2025-9079.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-9079"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/commit/047a2c64071749367fe02d2162f6103a3d31a883"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/commit/439464883aa16a329c23cd6274c4cca7e88e238f"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/commit/4ff68eea0a3f3777032d31a1a82f4b1fb492a1ac"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/commit/96665b9b98a17534fcd515982a2eb26950581e41"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/commit/a8fa77f107efe83f09a779f8e67cbecf236b0032"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/commit/b38e2eccda182212a8032539658723c7d87e0b7e"},{"type":"PACKAGE","url":"https://github.com/mattermost/mattermost"},{"type":"WEB","url":"https://pkg.go.dev/vuln/GO-2025-3977"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-28T02:30:53.202774729Z"}}