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    CVE-2026-33632

    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.

    Published:Mar 26, 2026
    Last Modified:Apr 21, 2026
    EPS:Mar 26, 2026
    EPSS Score:0.00015
    CVSS Score:7.8

    Affected Products

    Vendor
    Craigjbass
    Product
    Clearancekit

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-862 Missing Authorization

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-665 Exploitation of Thunderbolt Protection Flaws

    Related CVEs

    CVE-2026-47134 (CVSS 6.9) — ClearanceKit intercepts file-system access events on macOS and enforces per-process access policies. The ECDSA…
    CVE-2026-47133 (CVSS 6.9) — ClearanceKit intercepts file-system access events on macOS and enforces per-process access policies. Prior to …
    CVE-2026-40604 (CVSS 8.2) — ClearanceKit intercepts file-system access events on macOS and enforces per-process access policies. Prior to …
    CVE-2026-40599 (CVSS 8.4) — ClearanceKit intercepts file-system access events on macOS and enforces per-process access policies. Prior to …
    CVE-2026-40191 (CVSS 6.8) — ClearanceKit intercepts file-system access events on macOS and enforces per-process access policies. Prior to …
    CVE-2026-34218 (CVSS 6.3) — ClearanceKit intercepts file-system access events on macOS and enforces per-process access policies. Prior to …
    CVE-2026-33631 (CVSS 8.7) — ClearanceKit intercepts file-system access events on macOS and enforces per-process access policies. In versio…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High