{"schema_version":"1.7.3","id":"GHSA-h4rr-f37j-4hh7","published":"2025-04-16T09:32:13Z","modified":"2026-02-04T04:25:08.870596Z","aliases":["CVE-2025-27571","GO-2025-3619"],"related":["CGA-fr5j-qrfp-9vxg"],"summary":"Mattermost Incorrect Authorization vulnerability","details":"Mattermost versions 10.5.x <= 10.5.1, 10.4.x <= 10.4.3, 9.11.x <= 9.11.9 fail to check the \"Allow Users to View Archived Channels\" configuration when fetching channel metadata of a post from archived channels, which allows authenticated users to access such information when a channel is archived.","affected":[{"package":{"name":"github.com/mattermost/mattermost/server/v8","ecosystem":"Go","purl":"pkg:golang/github.com/mattermost/mattermost/server/v8"},"ranges":[{"type":"SEMVER","events":[{"introduced":"10.5.0"},{"fixed":"10.5.2"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/04/GHSA-h4rr-f37j-4hh7/GHSA-h4rr-f37j-4hh7.json"}},{"package":{"name":"github.com/mattermost/mattermost/server/v8","ecosystem":"Go","purl":"pkg:golang/github.com/mattermost/mattermost/server/v8"},"ranges":[{"type":"SEMVER","events":[{"introduced":"10.4.0"},{"fixed":"10.4.4"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/04/GHSA-h4rr-f37j-4hh7/GHSA-h4rr-f37j-4hh7.json"}},{"package":{"name":"github.com/mattermost/mattermost/server/v8","ecosystem":"Go","purl":"pkg:golang/github.com/mattermost/mattermost/server/v8"},"ranges":[{"type":"SEMVER","events":[{"introduced":"9.11.0"},{"fixed":"9.11.10"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/04/GHSA-h4rr-f37j-4hh7/GHSA-h4rr-f37j-4hh7.json"}},{"package":{"name":"github.com/mattermost/mattermost/server/v8","ecosystem":"Go","purl":"pkg:golang/github.com/mattermost/mattermost/server/v8"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"8.0.0-20250314142426-c049748b8863"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/04/GHSA-h4rr-f37j-4hh7/GHSA-h4rr-f37j-4hh7.json"}}],"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-27571"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/commit/341186355d982ac4cbe37668d7cdb0cf6275fe44"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/commit/629f68a85dd6ed5ba0c51a9356c3a3200f50657f"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/commit/8e82d8df61068fc56b0f3e51ef1cc947bc87cec1"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/commit/ae8a952bcaaa5f77a92043e2538f625eac72e927"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/commit/c6f6b664811795f36b9cf05b0e2b537c44c65bc1"},{"type":"PACKAGE","url":"https://github.com/mattermost/mattermost"},{"type":"WEB","url":"https://mattermost.com/security-updates"},{"type":"WEB","url":"https://pkg.go.dev/vuln/GO-2025-3619"}],"database_specific":{"cwe_ids":["CWE-863"],"github_reviewed":true,"github_reviewed_at":"2025-04-16T14:53:24Z","nvd_published_at":"2025-04-16T08:15:14Z","severity":"MODERATE"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"}]}