{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-87886", "assignerOrgId": "73dc0fef-1c66-4a72-9d2d-0a0f4012c175", "state": "PUBLISHED", "assignerShortName": "Acronis", "dateReserved": "2026-09-09T14:04:36.755Z", "datePublished": "2026-09-17T22:57:18.089Z", "dateUpdated": "2026-09-18T12:28:24.545Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "73dc0fef-1c66-4a72-9d2d-0a0f4012c175", "shortName": "Acronis", "dateUpdated": "2026-09-17T23:09:27.166Z"}, "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-276", "description": "CWE-276", "type": "CWE"}]}], "affected": [{"vendor": "Acronis", "product": "Acronis Backup plugin for cPanel & WHM", "platforms": ["Linux"], "versions": [{"version": "unspecified", "status": "affected", "lessThan": "1.9.3.1021", "versionType": "semver"}], "defaultStatus": "unaffected"}, {"vendor": "Acronis", "product": "Acronis Backup extension for Plesk", "platforms": ["Linux"], "versions": [{"version": "unspecified", "status": "affected", "lessThan": "1.8.11.638", "versionType": "semver"}], "defaultStatus": "unaffected"}, {"vendor": "Acronis", "product": "Acronis Backup plugin for DirectAdmin", "platforms": ["Linux"], "versions": [{"version": "unspecified", "status": "affected", "lessThan": "1.2.3.238", "versionType": "semver"}], "defaultStatus": "unaffected"}], "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."}], "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"}}], "x_generator": {"engine": "cvelib 1.8.0"}}, "adp": [{"references": [{"url": "https://www.cisa.gov/know%20n-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"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-18T12:28:24.545Z"}}]}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "platforms": ["Linux"], "product": "Acronis Backup plugin for cPanel & WHM", "vendor": "Acronis", "versions": [{"lessThan": "1.9.3.1021", "status": "affected", "version": "unspecified", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "platforms": ["Linux"], "product": "Acronis Backup extension for Plesk", "vendor": "Acronis", "versions": [{"lessThan": "1.8.11.638", "status": "affected", "version": "unspecified", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "platforms": ["Linux"], "product": "Acronis Backup plugin for DirectAdmin", "vendor": "Acronis", "versions": [{"lessThan": "1.2.3.238", "status": "affected", "version": "unspecified", "versionType": "semver"}]}], "source": "security@acronis.com"}], "cisaActionDue": "2026-09-19", "cisaExploitAdd": "2026-09-16", "cisaRequiredAction": "Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA\u2019s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA\u2019s \u201cForensics Triage Requirements\u201d (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.", "cisaVulnerabilityName": "Acronis Backup Incorrect Default Permissions Vulnerability", "cveTags": [], "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."}], "id": "CVE-2026-87886", "lastModified": "2026-09-18T12:26:00.640", "metrics": {"cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "security@acronis.com", "type": "Secondary"}]}, "published": "2026-09-17T23:18:53.763", "references": [{"source": "security@acronis.com", "url": "https://security-advisory.acronis.com/advisories/SEC-10986"}], "sourceIdentifier": "security@acronis.com", "vulnStatus": "Undergoing Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-276"}], "source": "security@acronis.com", "type": "Secondary"}]}

{}

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