{"id":"CVE-2026-8621","state":"PUBLISHED","title":"Crabbox < v0.12.0 Authentication Bypass via Header Spoofing","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.","publishedAt":"2026-05-14T18:46:43.230Z","updatedAt":"2026-10-08T15:25:49.352Z","severity":{"score":8.7,"label":"High","version":"4.0","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","source":"VulnCheck"},"assigner":"VulnCheck","products":["openclaw crabbox"],"affected":[{"vendor":"openclaw","product":"crabbox","packageURL":"pkg:golang/github.com/openclaw/crabbox","defaultStatus":"affected","versions":[{"version":"0","status":"affected","lessThan":"0.12.0","versionType":"semver"},{"version":"b657323f1d1c954cefc8444571fa6c45a8896e7f","status":"unaffected","versionType":"git"}],"repo":"https://github.com/openclaw/crabbox"}],"references":["https://github.com/openclaw/crabbox/releases/tag/v0.12.0","https://github.com/openclaw/crabbox/pull/70","https://github.com/openclaw/crabbox/commit/b657323f1d1c954cefc8444571fa6c45a8896e7f","https://www.vulncheck.com/advisories/crabbox-authentication-bypass-via-header-spoofing"],"weaknesses":["CWE-287"],"ingestedAt":"2026-10-29T20:13:26.108Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/8xxx/CVE-2026-8621.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-8621","state":"PUBLISHED","datePublished":"2026-05-14T18:46:43.230Z","dateUpdated":"2026-10-08T15:25:49.352Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-05-14T18:39:14.316Z"},"containers":{"cna":{"title":"Crabbox < v0.12.0 Authentication Bypass via Header Spoofing","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"openclaw","product":"crabbox","packageURL":"pkg:golang/github.com/openclaw/crabbox","defaultStatus":"affected","versions":[{"version":"0","status":"affected","lessThan":"0.12.0","versionType":"semver"},{"version":"b657323f1d1c954cefc8444571fa6c45a8896e7f","status":"unaffected","versionType":"git"}],"repo":"https://github.com/openclaw/crabbox"}],"references":[{"url":"https://github.com/openclaw/crabbox/releases/tag/v0.12.0","tags":["release-notes"]},{"url":"https://github.com/openclaw/crabbox/pull/70","tags":["issue-tracking"]},{"url":"https://github.com/openclaw/crabbox/commit/b657323f1d1c954cefc8444571fa6c45a8896e7f","tags":["patch"]},{"url":"https://www.vulncheck.com/advisories/crabbox-authentication-bypass-via-header-spoofing","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"HIGH","baseScore":8.7,"vectorString":"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"}},{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseSeverity":"HIGH","baseScore":8.8,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-287","lang":"en","description":"CWE-287 Improper Authentication","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-10-08T15:25:49.352Z"},"datePublic":"2026-05-14T18:45:00.000Z","tags":["x_open-source"],"credits":[{"lang":"en","value":"Chia Min Jun Lennon","type":"finder"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"vulncheck"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-14T19:37:38.426098Z","id":"CVE-2026-8621","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-14T19:50:07.817Z"}}]}}}