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

Quick assessment

Affected
openclaw crabbox
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Crabbox是openclaw开源的一个远程代码执行与测试环境管理工具。 Crabbox 0.12.0之前版本存在授权问题漏洞，该漏洞源于身份验证绕过，可能导致非管理员共享令牌调用者通过伪造身份标头冒充其他所有者或组织。

CVSS 8.8 · High EPSS 0.69% · P51

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts

Affected Version Matrix 2

VendorProduct Version RangeStatus
openclaw crabbox < 0.12.0 affected
b657323f1d1c954cefc8444571fa6c45a8896e7f unaffected
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I. Basic Information for CVE-2026-8621

Vulnerability Information
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Vulnerability Title
Crabbox < v0.12.0 Authentication Bypass via Header Spoofing
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Crabbox 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Crabbox是openclaw开源的一个远程代码执行与测试环境管理工具。 Crabbox 0.12.0之前版本存在授权问题漏洞，该漏洞源于身份验证绕过，可能导致非管理员共享令牌调用者通过伪造身份标头冒充其他所有者或组织。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
openclaw crabbox 0 ~ 0.12.0 -

II. Public POCs for CVE-2026-8621

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 11421 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month

III. Intelligence Information for CVE-2026-8621

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Patches & Fixes for CVE-2026-8621 (2)

Vendor Advisories for CVE-2026-8621 (1)

Other References for CVE-2026-8621 (1)

Same Patch Batch · openclaw · 2026-05-14 · 3 CVEs total

CVE-2026-8634 9.1 CRITICAL Crabbox < v0.12.0 Environment Variable Information Disclosure
CVE-2026-8629 8.1 HIGH Crabbox < v0.12.0 Privilege Escalation via Agent Ticket Endpoints

IV. Related Vulnerabilities

Same product: crabbox
Same vendor: openclaw
Same weakness: CWE-287

V. Comments for CVE-2026-8621

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