| { |
| "schema_version": "1.3.1", |
| "id": "GO-2026-6547", |
| "modified": "0001-01-01T00:00:00Z", |
| "published": "0001-01-01T00:00:00Z", |
| "aliases": [ |
| "CVE-2026-8823", |
| "GHSA-xmfh-3ccg-c9fx" |
| ], |
| "summary": "Mattermost has an Incorrect Authorization issue in github.com/mattermost/mattermost-server", |
| "details": "Mattermost has an Incorrect Authorization issue in github.com/mattermost/mattermost-server", |
| "affected": [ |
| { |
| "package": { |
| "name": "github.com/mattermost/mattermost-server", |
| "ecosystem": "Go" |
| }, |
| "ranges": [ |
| { |
| "type": "SEMVER", |
| "events": [ |
| { |
| "introduced": "10.11.0+incompatible" |
| }, |
| { |
| "fixed": "10.11.18+incompatible" |
| }, |
| { |
| "introduced": "11.7.0+incompatible" |
| }, |
| { |
| "fixed": "11.7.1+incompatible" |
| } |
| ] |
| } |
| ], |
| "ecosystem_specific": {} |
| }, |
| { |
| "package": { |
| "name": "github.com/mattermost/mattermost-server/v5", |
| "ecosystem": "Go" |
| }, |
| "ranges": [ |
| { |
| "type": "SEMVER", |
| "events": [ |
| { |
| "introduced": "0" |
| } |
| ] |
| } |
| ], |
| "ecosystem_specific": {} |
| }, |
| { |
| "package": { |
| "name": "github.com/mattermost/mattermost-server/v6", |
| "ecosystem": "Go" |
| }, |
| "ranges": [ |
| { |
| "type": "SEMVER", |
| "events": [ |
| { |
| "introduced": "0" |
| } |
| ] |
| } |
| ], |
| "ecosystem_specific": {} |
| }, |
| { |
| "package": { |
| "name": "github.com/mattermost/mattermost/server/v8", |
| "ecosystem": "Go" |
| }, |
| "ranges": [ |
| { |
| "type": "SEMVER", |
| "events": [ |
| { |
| "introduced": "0" |
| }, |
| { |
| "fixed": "8.0.0-20260518160100-9bd77d3fc4d2" |
| } |
| ] |
| } |
| ], |
| "ecosystem_specific": {} |
| } |
| ], |
| "references": [ |
| { |
| "type": "ADVISORY", |
| "url": "https://github.com/advisories/GHSA-xmfh-3ccg-c9fx" |
| }, |
| { |
| "type": "ADVISORY", |
| "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-8823" |
| }, |
| { |
| "type": "WEB", |
| "url": "https://docs.mattermost.com/security-guide/security-updates" |
| }, |
| { |
| "type": "WEB", |
| "url": "https://github.com/mattermost/mattermost/commit/7972fc53f5c0b0175879a9737308a87b42db1f0b" |
| }, |
| { |
| "type": "WEB", |
| "url": "https://github.com/mattermost/mattermost/commit/9bd77d3fc4d2af3f7f0259a205174e76a1a276e1" |
| }, |
| { |
| "type": "WEB", |
| "url": "https://github.com/mattermost/mattermost/commit/c9bf3609fb9a3e5c2de94c50742c9b91fd723e3d" |
| }, |
| { |
| "type": "WEB", |
| "url": "https://github.com/mattermost/mattermost/commit/d9a55e394cd5bc15edb49e9606bec8fec03ac4c6" |
| }, |
| { |
| "type": "WEB", |
| "url": "https://github.com/mattermost/mattermost/pull/36487" |
| }, |
| { |
| "type": "WEB", |
| "url": "https://github.com/mattermost/mattermost/releases/tag/v10.11.18" |
| }, |
| { |
| "type": "WEB", |
| "url": "https://github.com/mattermost/mattermost/releases/tag/v11.7.1" |
| } |
| ], |
| "database_specific": { |
| "url": "https://pkg.go.dev/vuln/GO-2026-6547", |
| "review_status": "UNREVIEWED" |
| } |
| } |