{"id":"CVE-2025-41395","aliases":["GHSA-3g36-gf7c-75qw","GO-2025-3642"],"title":"Mattermost Playbooks fails to properly validate the props used by the RetrospectivePost custom post type","summary":"Mattermost Playbooks fails to properly validate the props used by the RetrospectivePost custom post type","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","vendor":"mattermost","product":"github.com/mattermost/mattermost-plugin-playbooks","ecosystem":"go","affected":["github.com/mattermost/mattermost-plugin-playbooks >= 2.0.0","github.com/mattermost/mattermost/server/v8 < 8.0.0-20250218121836-2b5275d87136","github.com/mattermost/mattermost/server/v8 >= 10.4.0","github.com/mattermost/mattermost/server/v8 >= 10.5.0","github.com/mattermost/mattermost/server/v8 >= 9.11.0","github.com/mattermost/mattermost-plugin-playbooks < 1.41.0"],"patched":["github.com/mattermost/mattermost/server/v8 8.0.0-20250218121836-2b5275d87136","github.com/mattermost/mattermost-plugin-playbooks 1.41.0"],"published":"2025-04-24","updated":"2026-09-10","sourceUpdated":"2026-09-10T03:50:57.095115158Z","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/GHSA-3g36-gf7c-75qw","references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-41395"},{"url":"https://github.com/mattermost/mattermost-plugin-playbooks/commit/4c823090e281cb9c0d5c17ee2e5db275117540d1"},{"url":"https://github.com/mattermost/mattermost/commit/2b5275d87136f07e016c8eca09a2f004b31afc8a"},{"url":"https://github.com/mattermost/mattermost-plugin-playbooks"},{"url":"https://mattermost.com/security-updates"}],"tags":["osv","go"],"epss":0.00492,"epssPercentile":0.41206,"ingestedAt":"2026-09-12T03:13:01.749Z","slug":"CVE-2025-41395","body":"## Overview\n\nMattermost 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.\n\n## Affected packages\n\n- `github.com/mattermost/mattermost-plugin-playbooks >= 2.0.0`\n- `github.com/mattermost/mattermost/server/v8 < 8.0.0-20250218121836-2b5275d87136`\n- `github.com/mattermost/mattermost/server/v8 >= 10.4.0`\n- `github.com/mattermost/mattermost/server/v8 >= 10.5.0`\n- `github.com/mattermost/mattermost/server/v8 >= 9.11.0`\n- `github.com/mattermost/mattermost-plugin-playbooks < 1.41.0`\n\n## Remediation\n\nUpgrade to a patched release:\n\n- `github.com/mattermost/mattermost/server/v8 8.0.0-20250218121836-2b5275d87136`\n- `github.com/mattermost/mattermost-plugin-playbooks 1.41.0`","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}