craigjbass clearancekit up to 5.0.5 AUTH Endpoint protection mechanism

Summaryinfo

A vulnerability categorized as problematic has been discovered in craigjbass clearancekit up to 5.0.5. This vulnerability affects unknown code of the component AUTH Endpoint. The manipulation results in protection mechanism. This vulnerability was named CVE-2026-40604. The attack needs to be approached locally. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in craigjbass clearancekit up to 5.0.5. It has been classified as problematic. Affected is an unknown functionality of the component AUTH Endpoint. The manipulation with an unknown input leads to a protection mechanism vulnerability. CWE is classifying the issue as CWE-693. The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

ClearanceKit intercepts file-system access events on macOS and enforces per-process access policies. Prior to 5.0.6, the opfilter Endpoint Security system extension (bundle ID uk.craigbass.clearancekit.opfilter) can be suspended with SIGSTOP or kill -STOP, or killed with SIGKILL/SIGTERM, by any process running as root. While the extension is suspended, all AUTH Endpoint Security events time out and default to allow, silently disabling ClearanceKit's file-access policy enforcement for the duration of the suspension. This vulnerability is fixed in 5.0.6.

The advisory is shared for download at github.com. This vulnerability is traded as CVE-2026-40604 since 04/14/2026. The exploitability is told to be easy. The attack needs to be approached locally. Additional levels of successful authentication are necessary for exploitation. There are neither technical details nor an exploit publicly available.

Upgrading to version 5.0.6 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-24213). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• craigjbass

Name

• clearancekit

Version

• 5.0.0
• 5.0.1
• 5.0.2
• 5.0.3
• 5.0.4
• 5.0.5

Website

• Product: https://github.com/craigjbass/clearancekit/

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Once again VulDB remains the best source for vulnerability data.

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