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CVE-2026-40191

ClearanceKit has a policy bypass via dual-path Endpoint Security events checking only source path

CVSS 6.8 MEDIUMEPSS 0.1%CWE-863
Vexday Risk Score
13Baixo
Decisão SSVC (CISA)
Track
Sem sinal de exploração → monitorar
CVSS 6.8EPSS 0.1%KEV nãoPoC Nuclei Metasploit Patch
Ciclo de vida
10 abr 2026Publicada no NVD
Recomendação: Monitorar — sem sinal de exploração no momento.
ClearanceKit intercepts file-system access events on macOS and enforces per-process access policies. Prior to 5.0.4-beta-1f46165, ClearanceKit's Endpoint Security event handler only checked the source path of dual-path file operations against File Access Authorization (FAA) rules and App Jail policies. The destination path was ignored entirely. This allowed any local process to bypass file-access protection by using rename, link, copyfile, exchangedata, or clone operations to place or replace files inside protected directories. This vulnerability is fixed in 5.0.4-beta-1f46165.
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

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