What is CVE-2026-33631?

CVE-2026-33631 is a high-severity vulnerability in Craigjbass Clearancekit, classified under Missing Authorization. CVSS score: 8.7/10. Published 2026-03-26.

How severe is CVE-2026-33631?

High severity. CVSS v3 base score is 8.7 out of 10.

Auth bypass in Craigjbass Clearancekit

CVE-2026-33631

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 inte…

Vulnerability class: Broken Access Control

EPSS: 0.000 (5.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.7 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L.

Affected products

Craigjbass Clearancekit — versions < 4.2

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

https://github.com/craigjbass/clearancekit/security/advisories/GHSA-25f8-8cj2-m887 (x_refsource_CONFIRM)
https://github.com/craigjbass/clearancekit/commit/a3d1733d2691a0d40209c48b01bf9291bf645207 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-33631?: CVE-2026-33631 is a high-severity vulnerability in Craigjbass Clearancekit, classified under Missing Authorization. CVSS score: 8.7/10. Published 2026-03-26.
How severe is CVE-2026-33631?: High severity. CVSS v3 base score is 8.7 out of 10.