CVE-2026-33632— ClearanceKit: opfilter policy bypass via exchangedata and clone operations
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I. Basic Information for CVE-2026-33632
Vulnerability Information
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Vulnerability Title
ClearanceKit: opfilter policy bypass via exchangedata and clone operations
Source: NVD (National Vulnerability Database)
Vulnerability Description
ClearanceKit intercepts file-system access events on macOS and enforces per-process access policies. Prior to version 4.2.4, two file operation event types — ES_EVENT_TYPE_AUTH_EXCHANGEDATA and ES_EVENT_TYPE_AUTH_CLONE — were not intercepted by ClearanceKit's opfilter system extension, allowing local processes to bypass file access policies. Commit 6181c4a patches the vulnerability by subscribing to both event types and routing them through the existing policy evaluator. Users must upgrade to v4.2.4 or later and reactivate the system extension.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制缺失
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 4.2.4之前版本存在安全漏洞，该漏洞源于未拦截ES_EVENT_TYPE_AUTH_EXCHANGEDATA和ES_EVENT_TYPE_AUTH_CLONE事件，可能导致绕过文件访问策略。
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 | < 4.2.4 | - |
II. Public POCs for CVE-2026-33632
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|---|
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IV. Related Vulnerabilities
Same product: clearancekit
- CVE-2026-40604
ClearanceKit: opfilter system extension can be suspended or - CVE-2026-40599
ClearanceKit: Ad-hoc signed binaries can spoof Apple process - 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-2026-33631
ClearanceKit: opfilter policy bypass via non-open file opera
Same vendor: craigjbass
- CVE-2026-40604
ClearanceKit: opfilter system extension can be suspended or - CVE-2026-40599
ClearanceKit: Ad-hoc signed binaries can spoof Apple process - 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-2026-33631
ClearanceKit: opfilter policy bypass via non-open file opera
Same weakness: CWE-862
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V. Comments for CVE-2026-33632
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