{"id":"CVE-2025-41395","aliases":["GHSA-3g36-gf7c-75qw","GO-2025-3642"],"url":"https://o3.security/vulnerability/CVE-2025-41395","summary":"Webapp DoS via malicious retrospective post in Playbooks","details":"Mattermost versions 10.4.x <= 10.4.2, 10.5.x <= 10.5.0, 9.11.x <= 9.11.10 fail to properly validate the props used by the RetrospectivePost custom post type in the Playbooks plugin, which allows an attacker to create a specially crafted post with maliciously crafted props and cause a denial of service (DoS) of the web app for all users.","published":"2025-04-24T06:48:31.087Z","modified":"2026-08-12T03:51:32.420151854Z","cvss":{"score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/mattermost/mattermost-plugin-playbooks","fixedVersion":null},{"ecosystem":"Go","name":"github.com/mattermost/mattermost/server/v8","fixedVersion":"8.0.0-20250218121836-2b5275d87136"},{"ecosystem":"Go","name":"github.com/mattermost/mattermost/server/v8","fixedVersion":null},{"ecosystem":"Go","name":"github.com/mattermost/mattermost/server/v8","fixedVersion":null},{"ecosystem":"Go","name":"github.com/mattermost/mattermost/server/v8","fixedVersion":null},{"ecosystem":"Go","name":"github.com/mattermost/mattermost-plugin-playbooks","fixedVersion":"1.41.0"}],"fix":{"url":"https://github.com/mattermost/mattermost-plugin-playbooks/commit/4c823090e281cb9c0d5c17ee2e5db275117540d1","label":"mattermost/mattermost-plugin-playbooks@4c82309"},"references":[{"type":"WEB","url":"https://mattermost.com/security-updates"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/41xxx/CVE-2025-41395.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-41395"},{"type":"WEB","url":"https://github.com/mattermost/mattermost-plugin-playbooks/commit/4c823090e281cb9c0d5c17ee2e5db275117540d1"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/commit/2b5275d87136f07e016c8eca09a2f004b31afc8a"},{"type":"PACKAGE","url":"https://github.com/mattermost/mattermost-plugin-playbooks"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:32.420151854Z"}}