{"schema_version":"1.3.1","id":"GO-2026-5311","modified":"2026-06-25T18:43:19Z","published":"2026-06-25T18:43:19Z","aliases":["CVE-2026-4858","GHSA-c4r7-j7pp-r8mp"],"summary":"Mattermost has a Path Traversal issue in github.com/mattermost/mattermost-server","details":"Mattermost has a Path Traversal 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":"10.11.15+incompatible"},{"introduced":"11.4.0+incompatible"},{"fixed":"11.4.5+incompatible"},{"introduced":"11.5.0+incompatible"},{"fixed":"11.5.4+incompatible"},{"introduced":"11.6.0+incompatible"},{"fixed":"11.6.1+incompatible"}]}],"ecosystem_specific":{}}],"references":[{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-c4r7-j7pp-r8mp"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-4858"},{"type":"WEB","url":"https://mattermost.com/security-updates"}],"database_specific":{"url":"https://pkg.go.dev/vuln/GO-2026-5311","review_status":"UNREVIEWED"}}