CVE-2026-87886
CVE-2026-87886
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.
CVSS 3.0 · CNA
chance of exploitation in the next 30 days (EPSS; higher than 14% of CVEs)
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.
Scores
Affected products
- Acronis Acronis Backup plugin for cPanel & WHM: unspecified to < 1.9.3.1021
- Acronis Acronis Backup extension for Plesk: unspecified to < 1.8.11.638
- Acronis Acronis Backup plugin for DirectAdmin: unspecified to < 1.2.3.238
Weakness: CWE-276
1 references (advisories, patches, write-ups)
- https://security-advisory.acronis.com/advisories/SEC-10986 · vendor-advisory
Sources: CVE.org, FIRST EPSS. Missing ones did not answer or have no record yet.