{"affected":[{"defaultStatus":"affected","ecosystem":"golang","packageName":"github.com/openclaw/crabbox","product":"crabbox","source":"CNA: VulnCheck","vendor":"openclaw","versions":[{"lessThan":"0.12.0","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"b657323f1d1c954cefc8444571fa6c45a8896e7f","versionType":"git"}]}],"cveId":"CVE-2026-8621","cwes":["CWE-287"],"description":"Crabbox prior to v0.12.0 contains an authentication bypass vulnerability that allows non-admin shared-token callers to impersonate other owners or organizations by spoofing identity headers. Attackers can inject malicious X-Crabbox-Owner and X-Crabbox-Org headers in requests authenticated with a shared token to bypass authorization checks and access owner/org-scoped lease operations belonging to victim accounts.","epss":{"date":"2026-11-08","percentile":0.3015,"score":0.00361},"exploits":[],"kev":null,"metrics":[{"score":8.7,"severity":"high","source":"CNA: VulnCheck","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0"},{"score":8.8,"severity":"high","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}],"modifiedAt":1794146955528,"publishedAt":1778784403230,"references":[{"source":"CNA: VulnCheck","tags":["release-notes"],"url":"https://github.com/openclaw/crabbox/releases/tag/v0.12.0"},{"source":"CNA: VulnCheck","tags":["issue-tracking","patch"],"url":"https://github.com/openclaw/crabbox/pull/70"},{"source":"CNA: VulnCheck","tags":["patch"],"url":"https://github.com/openclaw/crabbox/commit/b657323f1d1c954cefc8444571fa6c45a8896e7f"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/crabbox-authentication-bypass-via-header-spoofing"}],"remediation":[{"kind":"fix","source":"CNA: VulnCheck","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/openclaw/crabbox/pull/70"},{"kind":"fix","source":"CNA: VulnCheck","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/openclaw/crabbox/commit/b657323f1d1c954cefc8444571fa6c45a8896e7f"}],"revision":"16a82bf75554297e07d9327e1cd507ef1b3a0fb720d984ade4db7be48d08b127","sources":[{"modifiedAt":1794146955528,"name":"CNA: VulnCheck","retrievedAt":1794151395590,"url":"https://www.cve.org/CVERecord?id=CVE-2026-8621"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1794151397278,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-8621"}],"ssvc":{"assessedAt":1778787458426,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"total"},"status":"published","title":"Crabbox < v0.12.0 Authentication Bypass via Header Spoofing","updatedAt":1794151397278}