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OpenAdvisories
High · 8.8 CVE-2026-8621 EUVD-2026-30369GHSA-4g9m-rffv-h6wqGO-2026-5120

Crabbox < v0.12.0 Authentication Bypass via Header Spoofing

Published May 14, 2026 · Updated Nov 8, 2026 · Assigned by VulnCheck

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

VendorProductAffectedFixed
openclaw crabbox < 0.12.0 0.12.0

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
openSUSE Leap 16.0 govulncheck-vulndb 0.0.20260723T184607-160000.1.1 openSUSE-SU-2026:21483-1

Affected packages

EcosystemPackageAffectedFixedRecord
Go github.com/openclaw/crabbox < 0.12.0 0.12.0 GHSA-4g9m-rffv-h6wq

Advisories 1

References