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

published 2026-09-10 2mo ago modified 2026-09-10 2mo ago also EUVD-2026-75596

cvss: 9.9; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 51%
public exploits: 0; none known

Is CVE-2026-68487 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 2mo ago (2026-09-10)

Exploit prediction

0.65% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

assigned by	version	score	vector
CNA	3.0	9.9	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected products

WebPros Plesk

Classification

Weakness

CWE-36 Absolute Path Traversal

References

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

Sources

CVE List CVE-2026-68487
NVD CVE-2026-68487

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.