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CVE-2026-29856

HIGH CVSS 3.1: 7.5 EPSS 0.05%
Updated Mar 19, 2026
Aapanel
Parameter Value
CVSS 7.5 (HIGH)
Type CWE-400 (Uncontrolled Resource Consumption)
Vendor Aapanel
Public PoC No

An issue in the VirtualHost configuration handling/parser component of aaPanel v7.57.0 allows attackers to cause a Regular Expression Denial of Service (ReDoS) via a crafted input.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Aapanel Aapanel
cpe:2.3:a:aapanel:aapanel:7.57.0:*:*:*:*:*:*:*