What’s Vulnerable › Vulnerabilities

CVE-2026-8621: Crabbox < v0.12.0 Authentication Bypass via Header Spoofing

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-14 · updated 2026-10-26
• Weakness: CWE-287

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.

Affected products

• openclaw crabbox: before 0.12.0 — fixed in 0.12.0

How to fix

Upgrade to a fixed version: openclaw crabbox 0.12.0. Check the vendor advisory for mitigations.

References

• https://github.com/openclaw/crabbox/commit/b657323f1d1c954cefc8444571fa6c45a8896e7f
• https://github.com/openclaw/crabbox/pull/70
• https://github.com/openclaw/crabbox/releases/tag/v0.12.0
• https://www.vulncheck.com/advisories/crabbox-authentication-bypass-via-header-spoofing

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