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CVE-2026-0257 Palo Alto Networks PAN-OS Authentication Bypass Vulnerability →
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CVE-2025-54336NVD

Description

In Plesk Obsidian 18.0.70, _isAdminPasswordValid uses an == comparison. Thus, if the correct password is "0e" followed by any digit string, then an attacker can login with any other string that evaluates to 0.0 (such as the 0e0 string). This occurs in admin/plib/LoginManager.php.
Severity Level
CRITICAL (9.8)
Published Date
19/08/2025
Last Modified
26/08/2025
Exploitation Status
UNKNOWN