{"id":"GO-2026-6281","summary":"Mattermost doesn't sanitize FileInfo.Name received from federated peers during shared channel file sync in github.com/mattermost/mattermost-server","details":"Mattermost doesn't sanitize FileInfo.Name received from federated peers during shared channel file sync in github.com/mattermost/mattermost-server","aliases":["CVE-2026-6961","GHSA-8qq9-cqj8-82w4"],"modified":"2026-08-26T01:21:40.813309354Z","published":"2026-08-25T19:43:10Z","database_specific":{"review_status":"UNREVIEWED","url":"https://pkg.go.dev/vuln/GO-2026-6281"},"references":[{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-8qq9-cqj8-82w4"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6961"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/commit/61d68d2d6ee81a5919597d91c736c502d7156859"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/commit/a0056ed68d95f64d7c4586985e7b7f16b96b3bec"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/commit/a9f3868e1eee9ec61855cd7277f39937385efffd"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/commit/c021eeaff8f003034ab40f82c552cc26a710a8fd"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/commit/c896a63dc44c2f9c081a0a15bfddc4e6eb50e753"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/pull/36223"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/pull/36251"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/pull/36252"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/pull/36253"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/pull/36255"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/releases/tag/v10.11.16"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/releases/tag/v11.5.5"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/releases/tag/v11.6.2"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/releases/tag/v11.7.0"},{"type":"WEB","url":"https://mattermost.com/security-updates"}],"affected":[{"package":{"name":"github.com/mattermost/mattermost-server","ecosystem":"Go","purl":"pkg:golang/github.com/mattermost/mattermost-server"},"ranges":[{"type":"SEMVER","events":[{"introduced":"10.11.0+incompatible"},{"fixed":"10.11.17+incompatible"},{"introduced":"11.5.0+incompatible"},{"fixed":"11.5.5+incompatible"},{"introduced":"11.6.0+incompatible"},{"fixed":"11.6.1+incompatible"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://vuln.go.dev/ID/GO-2026-6281.json"}},{"package":{"name":"github.com/mattermost/mattermost-server/v5","ecosystem":"Go","purl":"pkg:golang/github.com/mattermost/mattermost-server/v5"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://vuln.go.dev/ID/GO-2026-6281.json"}},{"package":{"name":"github.com/mattermost/mattermost-server/v6","ecosystem":"Go","purl":"pkg:golang/github.com/mattermost/mattermost-server/v6"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://vuln.go.dev/ID/GO-2026-6281.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":"8.0.0-20250731163400-5b955468ea1e"},{"fixed":"8.0.0-20260423180926-c021eeaff8f0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://vuln.go.dev/ID/GO-2026-6281.json"}}],"schema_version":"1.9.0"}