CVE-2026-40599
Last modified
CVE-2026-40599 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. ClearanceKit intercepts file-system access events on macOS and enforces per-process access policies. Prior to 5.0.5, ClearanceKit incorrectly treats a process with an empty Team ID and a non-empty Signing ID as an Apple platform binary. EPSS estimates a 0.13% chance of exploitation in the next 30 days.
Description
ClearanceKit intercepts file-system access events on macOS and enforces per-process access policies. Prior to 5.0.5, ClearanceKit incorrectly treats a process with an empty Team ID and a non-empty Signing ID as an Apple platform binary. This bug allows a malicious software to impersonate an apple process in the global allowlist, and access all protected files. This vulnerability is fixed in 5.0.5.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Craigjbass | Clearancekit | < 5.0.5 |
References
- https://github.com/craigjbass/clearancekit/security/advisories/GHSA-w253-42qp-5f2xExploit, Vendor Advisory
- https://github.com/craigjbass/clearancekit/security/advisories/GHSA-w253-42qp-5f2xExploit, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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