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CVE-2026-8634— Crabbox < v0.12.0 Environment Variable Information Disclosure

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之前版本存在代码注入漏洞，该漏洞源于环境变量允许列表过于宽松，可能导致访问恶意或受损仓库的攻击者将本地机密（如API令牌、云凭证和代理令牌）转发到远程命令环境，从而将敏感环境变量序列化到远程命令执行中，暴露凭证。

CVSS 9.1 · Critical EPSS 1.04% · P63

Affected Version Matrix 2

VendorProduct Version RangeStatus
openclaw crabbox < 0.12.0 affected
eaae40ae4ce009e60633f16f7f19600c74557f6f unaffected
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I. Basic Information for CVE-2026-8634

Vulnerability Information
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Vulnerability Title
Crabbox < v0.12.0 Environment Variable Information Disclosure
Source: CVE Program / CVE List V5
Vulnerability Description
Crabbox prior to v0.12.0 contains an environment variable exposure vulnerability that allows attackers with access to a malicious or compromised repository to forward local secrets such as API tokens, cloud credentials, and broker tokens into the remote command environment. Attackers can exploit overly permissive environment variable allowlisting in repo-local Crabbox configuration to serialize sensitive environment variables into remote command execution, exposing credentials to the remote environment.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Crabbox 代码注入漏洞
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之前版本存在代码注入漏洞，该漏洞源于环境变量允许列表过于宽松，可能导致访问恶意或受损仓库的攻击者将本地机密（如API令牌、云凭证和代理令牌）转发到远程命令环境，从而将敏感环境变量序列化到远程命令执行中，暴露凭证。
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-2026-8634

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 8264 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
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POC zip download
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III. Intelligence Information for CVE-2026-8634

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Patches & Fixes for CVE-2026-8634 (2)

Vendor Advisories for CVE-2026-8634 (1)

Other References for CVE-2026-8634 (1)

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

CVE-2026-8621 8.8 HIGH Crabbox < v0.12.0 Authentication Bypass via Header Spoofing
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-94

V. Comments for CVE-2026-8634

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