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.

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History

Thu, 14 May 2026 19:00:00 +0000

Type Values Removed Values Added
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.
Title Crabbox < v0.12.0 Authentication Bypass via Header Spoofing
Weaknesses CWE-287
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.7, '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'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-05-14T19:50:07.817Z

Reserved: 2026-05-14T18:39:14.316Z

Link: CVE-2026-8621

cve-icon Vulnrichment

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cve-icon NVD

Status : Received

Published: 2026-05-14T19:16:39.517

Modified: 2026-05-14T19:16:39.517

Link: CVE-2026-8621

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses