CVE-2026-40599— ClearanceKit: Ad-hoc signed binaries can spoof Apple process identities in the global allowlist
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I. Basic Information for CVE-2026-40599
Vulnerability Information
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Vulnerability Title
ClearanceKit: Ad-hoc signed binaries can spoof Apple process identities in the global allowlist
Source: NVD (National Vulnerability Database)
Vulnerability Description
ClearanceKit intercepts file-system access events on macOS and enforces per-process access policies. Prior to 5.0.5, ClearanceKit incorrectly treats a process with an empty Team ID and a non-empty Signing ID as an Apple platform binary. This bug allows a malicious software to impersonate an apple process in the global allowlist, and access all protected files. This vulnerability is fixed in 5.0.5.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制不正确
Source: NVD (National Vulnerability Database)
Vulnerability Title
ClearanceKit 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ClearanceKit是Craig J. Bass个人开发者的一个macOS文件系统访问控制工具。 ClearanceKit 5.0.5之前版本存在安全漏洞，该漏洞源于错误处理Team ID和Signing ID，可能导致恶意软件冒充Apple进程并访问所有受保护文件。
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 |
|---|---|---|---|---|
| craigjbass | clearancekit | < 5.0.5 | - |
II. Public POCs for CVE-2026-40599
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|---|
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IV. Related Vulnerabilities
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ClearanceKit: opfilter policy bypass via non-open file opera
Same vendor: craigjbass
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ClearanceKit: opfilter system extension can be suspended or - CVE-2026-40191
ClearanceKit has a policy bypass via dual-path Endpoint Secu - CVE-2026-34218
ClearanceKit: Managed and user-defined policy rules not enfo - CVE-2026-33632
ClearanceKit: opfilter policy bypass via exchangedata and cl - CVE-2026-33631
ClearanceKit: opfilter policy bypass via non-open file opera
Same weakness: CWE-863
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V. Comments for CVE-2026-40599
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