{"id":"CVE-2026-87886","state":"PUBLISHED","title":"Local privilege escalation due to insecure file permissions. The following products are affected: Acronis Backup plugin for cPanel & WHM (Linux) before build 1.9.3.1021, Acronis Ba","description":"Local privilege escalation due to insecure file permissions. The following products are affected: Acronis Backup plugin for cPanel & WHM (Linux) before build 1.9.3.1021, Acronis Backup extension for Plesk (Linux) before build 1.8.11.638, Acronis Backup plugin for DirectAdmin (Linux) before build 1.2.3.238.","publishedAt":"2026-09-17T22:57:18.089Z","updatedAt":"2026-09-18T14:33:42.532Z","severity":{"score":7.8,"label":"High","version":"3.0","vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","source":"Acronis"},"assigner":"Acronis","products":["Acronis Acronis Backup plugin for cPanel & WHM","Acronis Acronis Backup extension for Plesk","Acronis Acronis Backup plugin for DirectAdmin"],"affected":[{"vendor":"Acronis","product":"Acronis Backup plugin for cPanel & WHM","defaultStatus":"unaffected","versions":[{"version":"unspecified","status":"affected","lessThan":"1.9.3.1021","versionType":"semver"}],"platforms":["Linux"]},{"vendor":"Acronis","product":"Acronis Backup extension for Plesk","defaultStatus":"unaffected","versions":[{"version":"unspecified","status":"affected","lessThan":"1.8.11.638","versionType":"semver"}],"platforms":["Linux"]},{"vendor":"Acronis","product":"Acronis Backup plugin for DirectAdmin","defaultStatus":"unaffected","versions":[{"version":"unspecified","status":"affected","lessThan":"1.2.3.238","versionType":"semver"}],"platforms":["Linux"]}],"references":["https://security-advisory.acronis.com/advisories/SEC-10986","https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-87886"],"weaknesses":["CWE-276"],"ingestedAt":"2026-10-29T20:13:26.108Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/87xxx/CVE-2026-87886.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-87886","state":"PUBLISHED","datePublished":"2026-09-17T22:57:18.089Z","dateUpdated":"2026-09-18T14:33:42.532Z","assignerShortName":"Acronis","assignerOrgId":"73dc0fef-1c66-4a72-9d2d-0a0f4012c175","dateReserved":"2026-09-09T14:04:36.755Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Local privilege escalation due to insecure file permissions. The following products are affected: Acronis Backup plugin for cPanel & WHM (Linux) before build 1.9.3.1021, Acronis Backup extension for Plesk (Linux) before build 1.8.11.638, Acronis Backup plugin for DirectAdmin (Linux) before build 1.2.3.238."}],"affected":[{"vendor":"Acronis","product":"Acronis Backup plugin for cPanel & WHM","defaultStatus":"unaffected","versions":[{"version":"unspecified","status":"affected","lessThan":"1.9.3.1021","versionType":"semver"}],"platforms":["Linux"]},{"vendor":"Acronis","product":"Acronis Backup extension for Plesk","defaultStatus":"unaffected","versions":[{"version":"unspecified","status":"affected","lessThan":"1.8.11.638","versionType":"semver"}],"platforms":["Linux"]},{"vendor":"Acronis","product":"Acronis Backup plugin for DirectAdmin","defaultStatus":"unaffected","versions":[{"version":"unspecified","status":"affected","lessThan":"1.2.3.238","versionType":"semver"}],"platforms":["Linux"]}],"references":[{"url":"https://security-advisory.acronis.com/advisories/SEC-10986","name":"SEC-10986","tags":["vendor-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_0":{"version":"3.0","baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-276","lang":"en","description":"CWE-276","type":"CWE"}]}],"providerMetadata":{"shortName":"Acronis","orgId":"73dc0fef-1c66-4a72-9d2d-0a0f4012c175","dateUpdated":"2026-09-17T23:09:27.166Z"},"x_generator":{"engine":"cvelib 1.8.0"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-87886","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-18T12:27:59.851837Z","id":"CVE-2026-87886","options":[{"Exploitation":"active"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}},{"other":{"type":"kev","content":{"dateAdded":"2026-09-16","reference":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-87886"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-18T14:33:42.532Z"}}]}}}