CVE-2026-8621
Crabbox < v0.12.0 Authentication Bypass via Header Spoofing
- State
- Published
- Severity
- 8.7 High
- Published
- May 14, 2026
- Updated
- Oct 8, 2026
- Reserved
- May 14, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | 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 | VulnCheck |
| 3.1 | 8.8 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-287 Improper Authentication
Affected Products
| Product | Versions |
|---|---|
crabboxopenclaw |
|
References
- https://github.com/openclaw/crabbox/releases/tag/v0.12.0release-notes
- https://github.com/openclaw/crabbox/pull/70issue-tracking
- https://github.com/openclaw/crabbox/commit/b657323f1d1c954cefc8444571fa6c45a8896e7fpatch
- https://www.vulncheck.com/advisories/crabbox-authentication-bypass-via-header-spoofingthird-party-advisory
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.