CVE-2026-33631
8.7 · HIGHOverview
CVE-2026-33631 is a high-severity vulnerability affecting craigjbass clearancekit. It was published on March 26, 2026 and has a CVSS 3.1 base score of 8.7 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.7, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
ClearanceKit intercepts file-system access events on macOS and enforces per-process access policies. In versions on the 4.1 branch and earlier, the opfilter Endpoint Security system extension enforced file access policy exclusively by intercepting ES_EVENT_TYPE_AUTH_OPEN events. Seven additional file operation event types were not intercepted, allowing any locally running process to bypass the configured FAA policy without triggering a denial. Commit a3d1733 adds subscriptions for all seven event types and routes them through the existing FAA policy evaluator. AUTH_RENAME and AUTH_UNLINK additionally preserve XProtect change detection: events on the XProtect path are allowed and trigger the existing onXProtectChanged callback rather than being evaluated against user policy. All versions on the 4.2 branch contain the fix. No known workarounds are available.
Remediation
Check the references section for vendor advisories and patches from craigjbass. Update clearancekit to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| craigjbass | clearancekit | >= 0, < 4.2 | Affected |
Frequently Asked Questions
What is CVE-2026-33631?
CVE-2026-33631 is a high-severity vulnerability affecting craigjbass clearancekit. It was published on March 26, 2026 and has a CVSS 3.1 base score of 8.7 (HIGH).
How severe is CVE-2026-33631?
This vulnerability has a CVSS 3.1 base score of 8.7, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2026-33631?
Check the references section for vendor advisories and patches from craigjbass. Update clearancekit to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-33631?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-33631 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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