CVE-2026-8621
HIGHCrabbox 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...
Full CISO analysis pending enrichment.
What systems are affected?
| Package | Ecosystem | Vulnerable Range | Patched |
|---|---|---|---|
| OpenClaw | pip | — | No patch |
Do you use OpenClaw? You're affected.
How severe is it?
What is the attack surface?
What should I do?
No patch available
Monitor for updates. Consider compensating controls or temporary mitigations.
Which compliance frameworks are affected?
Compliance analysis pending. Sign in for full compliance mapping when available.
Frequently Asked Questions
What is CVE-2026-8621?
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.
Is CVE-2026-8621 actively exploited?
No confirmed active exploitation of CVE-2026-8621 has been reported, but organizations should still patch proactively.
How to fix CVE-2026-8621?
No patch is currently available. Monitor vendor advisories for updates.
What is the CVSS score for CVE-2026-8621?
CVE-2026-8621 has a CVSS v3.1 base score of 8.8 (HIGH).
What are the technical details?
Original Advisory
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.
Weaknesses (CWE)
CWE-287 — Improper Authentication: When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
- [Architecture and Design] Use an authentication framework or library such as the OWASP ESAPI Authentication feature.
Source: MITRE CWE corpus.
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H References
- github.com/openclaw/crabbox/commit/b657323f1d1c954cefc8444571fa6c45a8896e7f patch
- github.com/openclaw/crabbox/pull/70 issue-tracking
- github.com/openclaw/crabbox/releases/tag/v0.12.0 release-notes
- vulncheck.com/advisories/crabbox-authentication-bypass-via-header-spoofing third-party-advisory
Timeline
Related Vulnerabilities
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Same package: openclaw CVE-2026-53838 9.8 OpenClaw: approval scope bypass via reconnection state
Same package: openclaw CVE-2026-32038 9.8 OpenClaw: sandbox bypass enables container lateral movement
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