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Plesk CVE-2026-67397: Path Traversal

Plesk is affected by CVE-2026-67397. Path traversal in Plesk 18.0.79.9 and earlier and 18.0.80 through 18.0.80.5 allows local users to execute arbitrary code as root. Affected versions: before 18.0.79.9 | 18.0.80 before 18.0.80.5. CVSS base score: 8.5.

Critical 8.5 CVSS
Plesk AlmaLinux 8 AlmaLinux 9 CloudLinux 8 CloudLinux 9 Debian 11 Debian 12 Ubuntu 20.04 Ubuntu 22.04

Etkilenen Sürümler

before 18.0.79.9 | 18.0.80 before 18.0.80.5

Varsayılan Güncelleme Komutu

plesk installer --select-release-current --reinstall-patch

Düzeltme Komutları

AlmaLinux / Ubuntu / Debian / CloudLinux / Rocky Linux

plesk installer --select-release-current --reinstall-patch
plesk version

SharedLicense lisansı altında bunun anlamı

Your SharedLicense Plesk license itself is not affected — this is a vulnerability in Plesk, not in licensing. Licenses continue to work during and after the update; there is no need to re-issue or re-activate anything. If you resell under your own brand, patch client servers too — unpatched installs put your reputation at risk, not your license.

Path traversal in Plesk 18.0.79.9 and earlier and 18.0.80 through 18.0.80.5 allows local users to execute arbitrary code as root.

Reference: https://nvd.nist.gov/vuln/detail/CVE-2026-67397

Sıkça Sorulan Sorular

What is CVE-2026-67397?
Path traversal in Plesk 18.0.79.9 and earlier and 18.0.80 through 18.0.80.5 allows local users to execute arbitrary code as root. Affected versions: before 18.0.79.9 | 18.0.80 before 18.0.80.5.
Is CVE-2026-67397 being exploited in the wild?
No confirmed public exploitation has been announced at the time of writing. With a CVSS base score of 8.5, apply the update on your next maintenance window and watch the vendor advisory for changes.
How do I fix CVE-2026-67397?
plesk installer --select-release-current --reinstall-patch. plesk version.
Which versions are affected?
Affected: before 18.0.79.9 | 18.0.80 before 18.0.80.5. Update to the latest release.

Referanslar

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