Acronis Backup Incorrect Default Permissions Vulnerability

{
  "cveID": "CVE-2026-87886",
  "cwes": "CWE-276",
  "dateAdded": "2026-09-16",
  "dueDate": "2026-09-19",
  "forensicTriage": "Yes",
  "knownRansomwareCampaignUse": "Unknown",
  "notes": "https://security-advisory.acronis.com/advisories/SEC-10986 ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-87886",
  "product": "Backup",
  "requiredAction": "Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (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.",
  "shortDescription": "Acronis Backup plugin for cPanel & WHM and extension for Plesk contains an incorrect default permissions vulnerability that could allow for privilege escalation.",
  "vendorProject": "Acronis",
  "vulnerabilityName": "Acronis Backup Incorrect Default Permissions Vulnerability"
}

{
  "cveID": "CVE-2026-87886",
  "cwes": "CWE-276",
  "dateAdded": "2026-09-16",
  "dueDate": "2026-09-19",
  "forensicTriage": "Yes",
  "knownRansomwareCampaignUse": "Unknown",
  "notes": "https://security-advisory.acronis.com/advisories/SEC-10986 ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-87886",
  "product": "Backup",
  "requiredAction": "Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (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.",
  "shortDescription": "Acronis Backup plugin for cPanel & WHM and extension for Plesk contains an incorrect default permissions vulnerability that could allow for privilege escalation.",
  "vendorProject": "Acronis",
  "vulnerabilityName": "Acronis Backup Incorrect Default Permissions Vulnerability"
}

{
  "cveID": "CVE-2026-87886",
  "cwes": "CWE-276",
  "dateAdded": "2026-09-16",
  "dueDate": "2026-09-19",
  "forensicTriage": "Yes",
  "knownRansomwareCampaignUse": "Unknown",
  "notes": "https://security-advisory.acronis.com/advisories/SEC-10986 ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-87886",
  "product": "Backup",
  "requiredAction": "Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (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.",
  "shortDescription": "Acronis Backup plugin for cPanel & WHM and extension for Plesk contains an incorrect default permissions vulnerability that could allow for privilege escalation.",
  "vendorProject": "Acronis",
  "vulnerabilityName": "Acronis Backup Incorrect Default Permissions Vulnerability"
}

{
  "cveID": "CVE-2026-87886",
  "cwes": "CWE-276",
  "dateAdded": "2026-09-16",
  "dueDate": "2026-09-19",
  "forensicTriage": "Yes",
  "knownRansomwareCampaignUse": "Unknown",
  "notes": "https://security-advisory.acronis.com/advisories/SEC-10986 ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-87886",
  "product": "Backup",
  "requiredAction": "Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (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.",
  "shortDescription": "Acronis Backup plugin for cPanel & WHM and extension for Plesk contains an incorrect default permissions vulnerability that could allow for privilege escalation.",
  "vendorProject": "Acronis",
  "vulnerabilityName": "Acronis Backup Incorrect Default Permissions Vulnerability"
}

{
  "cveID": "CVE-2026-87886",
  "cwes": "CWE-276",
  "dateAdded": "2026-09-16",
  "dueDate": "2026-09-19",
  "forensicTriage": "Yes",
  "knownRansomwareCampaignUse": "Unknown",
  "notes": "https://security-advisory.acronis.com/advisories/SEC-10986 ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-87886",
  "product": "Backup",
  "requiredAction": "Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (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.",
  "shortDescription": "Acronis Backup plugin for cPanel & WHM and extension for Plesk contains an incorrect default permissions vulnerability that could allow for privilege escalation.",
  "vendorProject": "Acronis",
  "vulnerabilityName": "Acronis Backup Incorrect Default Permissions Vulnerability"
}

{
  "cveID": "CVE-2026-87886",
  "cwes": "CWE-276",
  "dateAdded": "2026-09-16",
  "dueDate": "2026-09-19",
  "forensicTriage": "Yes",
  "knownRansomwareCampaignUse": "Unknown",
  "notes": "https://security-advisory.acronis.com/advisories/SEC-10986 ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-87886",
  "product": "Backup",
  "requiredAction": "Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (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.",
  "shortDescription": "Acronis Backup plugin for cPanel & WHM and extension for Plesk contains an incorrect default permissions vulnerability that could allow for privilege escalation.",
  "vendorProject": "Acronis",
  "vulnerabilityName": "Acronis Backup Incorrect Default Permissions Vulnerability"
}

{
  "cveID": "CVE-2026-87886",
  "cwes": "CWE-276",
  "dateAdded": "2026-09-16",
  "dueDate": "2026-09-19",
  "forensicTriage": "Yes",
  "knownRansomwareCampaignUse": "Unknown",
  "notes": "https://security-advisory.acronis.com/advisories/SEC-10986 ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-87886",
  "product": "Backup",
  "requiredAction": "Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (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.",
  "shortDescription": "Acronis Backup plugin for cPanel & WHM and extension for Plesk contains an incorrect default permissions vulnerability that could allow for privilege escalation.",
  "vendorProject": "Acronis",
  "vulnerabilityName": "Acronis Backup Incorrect Default Permissions Vulnerability"
}