CVE-2026-8621
Crabbox < v0.12.0 Authentication Bypass via Header Spoofing
CVSS Score
8.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-287 |
| Vendor | openclaw |
| Product | crabbox |
| Published | May 14, 2026 |
| Last Updated | May 14, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
openclaw / crabbox
0 < 0.12.0
References
github.com: https://github.com/openclaw/crabbox/releases/tag/v0.12.0 github.com: https://github.com/openclaw/crabbox/pull/70 github.com: https://github.com/openclaw/crabbox/commit/b657323f1d1c954cefc8444571fa6c45a8896e7f vulncheck.com: https://www.vulncheck.com/advisories/crabbox-authentication-bypass-via-header-spoofing
Credits
Chia Min Jun Lennon