CVE-2026-72593

dulldusk phpfm - Missing Authentication by Default Allows Full Filesystem Access

Published Aug 10, 2026 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Description
A missing authentication vulnerability in dulldusk/phpfm through 1.8.0 allows an unauthenticated remote attacker to access the full file manager functionality including reading, writing, deleting, and uploading files anywhere on the server filesystem.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Dulldusk
Dulldusk phpfm
Vendors & Products Dulldusk
Dulldusk phpfm
Type Values Removed Values Added
Description A missing authentication vulnerability in dulldusk/phpfm through 1.8.0 allows an unauthenticated remote attacker to access the full file manager functionality including reading, writing, deleting, and uploading files anywhere on the server filesystem. The authentication check in index.php at line 637 evaluates 'if ($auth_pass == '' || $loggedon==$auth_pass)', and since auth_pass is an empty string in the default configuration, the condition always evaluates to true and grants full access without credentials. A missing authentication vulnerability in dulldusk/phpfm through 1.8.0 allows an unauthenticated remote attacker to access the full file manager functionality including reading, writing, deleting, and uploading files anywhere on the server filesystem.
Type Values Removed Values Added
Description A missing authentication vulnerability in dulldusk/phpfm through 1.8.0 allows an unauthenticated remote attacker to access the full file manager functionality including reading, writing, deleting, and uploading files anywhere on the server filesystem. The authentication check in index.php at line 637 evaluates 'if ($auth_pass == '' || $loggedon==$auth_pass)', and since auth_pass is an empty string in the default configuration, the condition always evaluates to true and grants full access without credentials.
Title dulldusk phpfm - Missing Authentication by Default Allows Full Filesystem Access
Weaknesses CWE-306
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
TuranSec
Published
Updated
Aug 10, 2026, 1:25 PM
Reserved
Aug 10, 2026, 10:32 AM
Status
Deferred
Published
Aug 10, 2026, 11:17 AM
Modified
Oct 24, 2026, 3:10 PM