{"id":"CVE-2026-78236","state":"PUBLISHED","title":"Insecure PIN derivation mechanism in Admin By Request (ABR)","description":"An insecure PIN derivation mechanism in ABR allows a low-privileged user to escalate privileges to administrator by communicating over Cross-Process Communication (XPC) while masquerading as an Apple-signed process.","publishedAt":"2026-08-26T07:20:58.647Z","updatedAt":"2026-08-28T06:41:41.298Z","severity":{"score":8.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","source":"CSA"},"assigner":"CSA","products":["Admin By Request (ABR) Admin By Request (ABR)"],"affected":[{"vendor":"Admin By Request (ABR)","product":"Admin By Request (ABR)","defaultStatus":"unaffected","versions":[{"version":"5.2.2 and below","status":"affected","versionType":"macOS"}]}],"references":["https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-110/","https://docs.adminbyrequest.com/security-advisories/abr-mac-26-01.htm"],"weaknesses":["CWE-287","CWE-285","CWE-327","CWE-284"],"ingestedAt":"2026-10-29T20:13:07.220Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/78xxx/CVE-2026-78236.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-78236","state":"PUBLISHED","datePublished":"2026-08-26T07:20:58.647Z","dateUpdated":"2026-08-28T06:41:41.298Z","assignerShortName":"CSA","assignerOrgId":"5f57b9bf-260d-4433-bf07-b6a79e9bb7d4","dateReserved":"2026-08-24T03:00:17.827Z"},"containers":{"cna":{"title":"Insecure PIN derivation mechanism in Admin By Request (ABR)","descriptions":[{"lang":"en","value":"An insecure PIN derivation mechanism in ABR allows a low-privileged user to escalate privileges to administrator by communicating over Cross-Process Communication (XPC) while masquerading as an Apple-signed process."}],"affected":[{"vendor":"Admin By Request (ABR)","product":"Admin By Request (ABR)","defaultStatus":"unaffected","versions":[{"version":"5.2.2 and below","status":"affected","versionType":"macOS"}]}],"references":[{"url":"https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-110/"},{"url":"https://docs.adminbyrequest.com/security-advisories/abr-mac-26-01.htm","tags":["vendor-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseSeverity":"HIGH","baseScore":8.8,"vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"}}],"providerMetadata":{"shortName":"CSA","orgId":"5f57b9bf-260d-4433-bf07-b6a79e9bb7d4","dateUpdated":"2026-08-28T06:41:41.298Z"},"solutions":[{"lang":"en","value":"Users and administrators of affected product versions are advised to update to the latest version promptly.","supportingMedia":[{"type":"text/html","base64":false,"value":"Users and administrators of affected product versions are advised to update to the latest version promptly."}]}],"credits":[{"lang":"en","value":"GovTech Cybersecurity Group","type":"finder"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.5"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-26T14:01:23.677810Z","id":"CVE-2026-78236","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-287","type":"CWE","lang":"en","description":"CWE-287 Improper Authentication"}]},{"descriptions":[{"cweId":"CWE-285","type":"CWE","lang":"en","description":"CWE-285 Improper Authorization"}]},{"descriptions":[{"cweId":"CWE-327","type":"CWE","lang":"en","description":"CWE-327 Use of a Broken or Risky Cryptographic Algorithm"}]},{"descriptions":[{"cweId":"CWE-284","type":"CWE","lang":"en","description":"CWE-284 Improper Access Control"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-26T14:02:09.555Z"}}]}}}