{"action":"Upgrade github.com/fleetdm/fleet to 4.75.2 or later.","affected":[{"fixed":"4.78.3","introduced":"4.78.0"},{"fixed":"4.77.1","introduced":"4.77.0"},{"fixed":"4.76.2","introduced":"4.76.0"},{"fixed":"4.75.2","introduced":"4.75.0"}],"component":"github.com/fleetdm/fleet","cve_ids":["CVE-2026-23517"],"ecosystem":"Go","epss":0.00292,"exploited":false,"fixed_versions":["4.78.3","4.77.1","4.76.2","4.75.2"],"ghsa_id":"GHSA-4r5r-ccr6-q6f6","id":"tcs_01M5KEX1RTY0FRYG4JGHFQB71A","modified_at":"2026-02-28T06:26:16.513494Z","published_at":"2026-01-20T20:55:14Z","references":["https://osv.dev/vulnerability/GHSA-4r5r-ccr6-q6f6","https://github.com/fleetdm/fleet/security/advisories/GHSA-4r5r-ccr6-q6f6","https://nvd.nist.gov/vuln/detail/CVE-2026-23517","https://github.com/fleetdm/fleet/commit/5c030e32a3a9bc512355b5e1bf19636e4e6d0317","https://github.com/fleetdm/fleet","https://pkg.go.dev/vuln/GO-2026-4334"],"severity":{"label":"high","score":8.1},"sources":[{"source":"osv","source_id":"GHSA-4r5r-ccr6-q6f6","url":"https://osv.dev/vulnerability/GHSA-4r5r-ccr6-q6f6"},{"source":"nvd","source_id":"CVE-2026-23517","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-23517"}],"summary":"Fleet has an Access Control vulnerability in debug/pprof endpoints"}