Paper/Archive/CVE-2026-68487

CVE-2026-68487

WebPros Plesk — Path traversal in Plesk's Backup Manager causes arbitrary file write as root by an authenticated customer.

EPSS 0.6%CVSS 9.9

critical.is priorityof 100

40

CVSS 9.9 (CNA)9.9 / 10 × 3029.7 Not in CISA KEV+300.0 EPSS percentile 51.0.510 × 2010.2 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

Path traversal in Plesk's Backup Manager causes arbitrary file write as root by an authenticated customer.

Affected

ProductAffectedFixed inSource

Plesk≤ 18.0.80.6–CNA

Plesk≤ 18.0.79.10–CNA

Scores by source

hackerone (CNA)9.9CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

refsupport.plesk.com/hc/en-us/articles/43248841638551-Vulnerability-in-Plesk-s-Backup-Manager-unsigned-backup-header-allows-path-traversal