{"id":"CVE-2026-8621","summary":"Crabbox \u003c v0.12.0 Authentication Bypass via Header Spoofing","details":"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.","aliases":["GHSA-4g9m-rffv-h6wq","GO-2026-5120"],"modified":"2026-07-31T18:31:40.982472290Z","published":"2026-05-14T18:46:43.230Z","related":["openSUSE-SU-2026:21483-1"],"database_specific":{"cna_assigner":"VulnCheck","cwe_ids":["CWE-287"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/8xxx/CVE-2026-8621.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/8xxx/CVE-2026-8621.json"},{"type":"ADVISORY","url":"https://github.com/openclaw/crabbox/releases/tag/v0.12.0"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-8621"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/crabbox-authentication-bypass-via-header-spoofing"},{"type":"REPORT","url":"https://github.com/openclaw/crabbox/pull/70"},{"type":"FIX","url":"https://github.com/openclaw/crabbox/commit/b657323f1d1c954cefc8444571fa6c45a8896e7f"},{"type":"PACKAGE","url":"https://github.com/openclaw/crabbox"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/openclaw/crabbox","events":[{"introduced":"0"},{"fixed":"b657323f1d1c954cefc8444571fa6c45a8896e7f"},{"fixed":"2e842f89e5d7679a3726527b36f18692d4e6e155"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"0.12.0"}],"source":["AFFECTED_FIELD","REFERENCES"]}}],"versions":["v0.11.0","v0.10.0","v0.9.0","v0.8.0","v0.7.0","v0.6.0","v0.5.1","v0.5.0","v0.4.0","v0.3.1","v0.3.0","v0.2.0","v0.1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-8621.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","score":"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"}]}