{"id":"CVE-2026-34218","state":"PUBLISHED","title":"ClearanceKit: Managed and user-defined policy rules not enforced between opfilter start and first policy modification","description":"ClearanceKit intercepts file-system access events on macOS and enforces per-process access policies. Prior to version 4.2.14, two related startup defects created a window during which only the single compile-time baseline rule was enforced by opfilter. All managed (MDM-delivered) and user-defined file-access rules were not applied until the user interacted with policies through the GUI, triggering a policy mutation over XPC. This issue has been patched in version 4.2.14.","publishedAt":"2026-03-31T15:13:03.641Z","updatedAt":"2026-04-02T15:18:12.722Z","severity":{"score":6.3,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["craigjbass clearancekit"],"affected":[{"vendor":"craigjbass","product":"clearancekit","versions":[{"version":"< 4.2.14","status":"affected"}]}],"references":["https://github.com/craigjbass/clearancekit/security/advisories/GHSA-fpmv-5wgw-qhhr","https://github.com/craigjbass/clearancekit/commit/56d617b778c571e3c29b803636d9807940992daa","https://github.com/craigjbass/clearancekit/commit/ddfdacb2633681bbd9c2f41dbd536ea039386628"],"weaknesses":["CWE-269"],"ingestedAt":"2026-10-29T20:11:40.391Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/34xxx/CVE-2026-34218.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-34218","state":"PUBLISHED","datePublished":"2026-03-31T15:13:03.641Z","dateUpdated":"2026-04-02T15:18:12.722Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-03-26T15:57:52.324Z"},"containers":{"cna":{"title":"ClearanceKit: Managed and user-defined policy rules not enforced between opfilter start and first policy modification","descriptions":[{"lang":"en","value":"ClearanceKit intercepts file-system access events on macOS and enforces per-process access policies. Prior to version 4.2.14, two related startup defects created a window during which only the single compile-time baseline rule was enforced by opfilter. All managed (MDM-delivered) and user-defined file-access rules were not applied until the user interacted with policies through the GUI, triggering a policy mutation over XPC. This issue has been patched in version 4.2.14."}],"affected":[{"vendor":"craigjbass","product":"clearancekit","versions":[{"version":"< 4.2.14","status":"affected"}]}],"references":[{"url":"https://github.com/craigjbass/clearancekit/security/advisories/GHSA-fpmv-5wgw-qhhr","name":"https://github.com/craigjbass/clearancekit/security/advisories/GHSA-fpmv-5wgw-qhhr","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/craigjbass/clearancekit/commit/56d617b778c571e3c29b803636d9807940992daa","name":"https://github.com/craigjbass/clearancekit/commit/56d617b778c571e3c29b803636d9807940992daa","tags":["x_refsource_MISC"]},{"url":"https://github.com/craigjbass/clearancekit/commit/ddfdacb2633681bbd9c2f41dbd536ea039386628","name":"https://github.com/craigjbass/clearancekit/commit/ddfdacb2633681bbd9c2f41dbd536ea039386628","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","subAvailabilityImpact":"NONE","baseScore":6.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-269","lang":"en","description":"CWE-269: Improper Privilege Management","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-03-31T15:13:03.641Z"},"source":{"advisory":"GHSA-fpmv-5wgw-qhhr","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.5,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"LOW","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-04-02T15:17:24.771440Z","id":"CVE-2026-34218","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-04-02T15:18:12.722Z"}}]}}}