CVE-2026-47133

ClearanceKit intercepts file-system access events on macOS and enforces per-process access policies. Prior to version 5.0.10, each table in the on-disk SQLite policy store /Library/Application Support/clearancekit/store.db is verified using an ECDSA signature stored in the datasignatures table. T...

CVE-2026-47134

Summary (technical): ClearanceKit stores the ECDSA signing key for its on-disk policy database in the macOS System Keychain. Before 5.0.10, for legacy kSecClassKey items, the key’s ACL set via SecItemAdd was ignored, so the persisted key inherited no ACL restriction, unlike kSecClassGenericPasswo...

CVE-2026-47134 ClearanceKit: Policy signing key in System Keychain has permissive ACL allowing any local-root process to forge signed policy

ClearanceKit intercepts file-system access events on macOS and enforces per-process access policies. The ECDSA private key used to sign the on-disk policy database /Library/Application Support/clearancekit/store.db is stored in the macOS System Keychain. The key was created via the two-step patte...

CVE-2026-47133

ClearanceKit on macOS stores per-record policy data in /Library/Application Support/clearancekit/store.db with ECDSA signatures in data_signatures. Prior to 5.0.10, the signed payload lacks a monotonic counter or freshness binding, allowing an attacker who can modify store.db and the matching dat...

CVE-2026-47133

ClearanceKit intercepts file-system access events on macOS and enforces per-process access policies. Prior to version 5.0.10, each table in the on-disk SQLite policy store /Library/Application Support/clearancekit/store.db is verified using an ECDSA signature stored in the datasignatures table. T...

CVE-2026-47133 ClearanceKit's signed policy tables lack monotonic counter, allowing replay of older legitimately-signed snapshots

ClearanceKit intercepts file-system access events on macOS and enforces per-process access policies. Prior to version 5.0.10, each table in the on-disk SQLite policy store /Library/Application Support/clearancekit/store.db is verified using an ECDSA signature stored in the datasignatures table. T...

CVE-2026-47133 ClearanceKit's signed policy tables lack monotonic counter, allowing replay of older legitimately-signed snapshots

ClearanceKit intercepts file-system access events on macOS and enforces per-process access policies. Prior to version 5.0.10, each table in the on-disk SQLite policy store /Library/Application Support/clearancekit/store.db is verified using an ECDSA signature stored in the datasignatures table. T...

PT-2026-61732

Name of the Vulnerable Software and Affected Versions ClearanceKit versions prior to 5.0.10 Description ClearanceKit enforces per-process access policies by intercepting file-system access events on macOS. The software uses an ECDSA private key stored in the macOS System Keychain to sign the...

CVE-2026-40604

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...

CVE-2026-40599

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...

CVE-2026-40604 ClearanceKit: opfilter system extension can be suspended or signalled by a root process, disabling file-access policy enforcement

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...

CVE-2026-40604 ClearanceKit: opfilter system extension can be suspended or signalled by a root process, disabling file-access policy enforcement

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...

EUVD-2026-24213

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...

CVE-2026-40604 ClearanceKit: opfilter system extension can be suspended or signalled by a root process, disabling file-access policy enforcement

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...

CVE-2026-40604

CVE-2026-40604 affects ClearanceKit on macOS, where the opfilter system extension (bundle uk.craigbass.clearancekit.opfilter) can be suspended or signalled by any root process (SIGSTOP/SIGTERM/SIGKILL). While suspended, AUTH Endpoint Security events timeout and default to allow, silently bypassin...

CVE-2026-40599 ClearanceKit: Ad-hoc signed binaries can spoof Apple process identities in the global allowlist

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...

CVE-2026-40599

CVE-2026-40599 affects ClearanceKit on macOS. Before 5.0.5, a process with an empty Team ID but non-empty Signing ID can be misidentified as an Apple platform binary, enabling a malicious app to impersonate an Apple process in the global allowlist and access protected files. The issue is fixed in...

CVE-2026-40599 ClearanceKit: Ad-hoc signed binaries can spoof Apple process identities in the global allowlist

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...

PT-2026-34037

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...

ClearanceKit 安全漏洞

ClearanceKit is a macOS file system access control tool developed by Craig J. Bass. Versions of ClearanceKit prior to 5.0.6 contained security vulnerabilities. These vulnerabilities stemmed from the opfilter Endpoint Security system extension, which could be suspended or terminated by the root...