{"schema_version":"1.3.1","id":"GO-2025-4191","modified":"2025-12-15T20:33:49Z","published":"2025-12-15T20:33:49Z","aliases":["CVE-2017-18878","GHSA-h564-6gc2-fcc6"],"summary":"Mattermost Server allows users with a session ID to revoke another users' session in github.com/mattermost/mattermost-server","details":"Mattermost Server allows users with a session ID to revoke another users' session in github.com/mattermost/mattermost-server.\n\nNOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions.\n\n(If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.)\n\nThe additional affected modules and versions are: github.com/mattermost/mattermost-server before v4.1.2-0.20171004201910-6be8113eb60c, before v4.2.1-0.20171004192657-8fbbd688ea24.","affected":[{"package":{"name":"github.com/mattermost/mattermost-server","ecosystem":"Go"},"ranges":[{"type":"SEMVER","events":[{"introduced":"4.3.0-rc1+incompatible"},{"fixed":"4.3.0+incompatible"}]}],"ecosystem_specific":{"custom_ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1.2-0.20171004201910-6be8113eb60c"},{"fixed":"4.2.1-0.20171004192657-8fbbd688ea24"}]}]}}],"references":[{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-h564-6gc2-fcc6"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2017-18878"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/commit/6be8113eb60cf5ddd2dc1c3f4db05cae0c183086"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/commit/8fbbd688ea2466dd0d70e9c07e9703d78f8a19a5"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/commit/affd35071ea155069979fd359726296de8aa6aaf"},{"type":"WEB","url":"https://mattermost.com/security-updates"}],"database_specific":{"url":"https://pkg.go.dev/vuln/GO-2025-4191","review_status":"UNREVIEWED"}}