CVE-2026-29856

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2026-29856
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.

7.5 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/aapanel/aapanel Product
https://github.com/mbiesiad/vulnerability-research/tree/main/CVE-2026-29856 Exploit Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:aapanel:aapanel:7.57.0:*:*:*:*:*:*:*
History

17 Jun 2026, 10:29

Type Values Removed Values Added
Summary
  • (es) Un problema en el componente de manejo/analizador de configuración de VirtualHost de aaPanel v7.57.0 permite a los atacantes causar una Denegación de Servicio por Expresiones Regulares (ReDoS) a través de una entrada manipulada.

19 Mar 2026, 19:23

Type Values Removed Values Added
References () https://github.com/aapanel/aapanel - () https://github.com/aapanel/aapanel - Product
References () https://github.com/mbiesiad/vulnerability-research/tree/main/CVE-2026-29856 - () https://github.com/mbiesiad/vulnerability-research/tree/main/CVE-2026-29856 - Exploit, Third Party Advisory
CPE cpe:2.3:a:aapanel:aapanel:7.57.0:*:*:*:*:*:*:*
First Time Aapanel
Aapanel aapanel

19 Mar 2026, 15:16

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.5
CWE CWE-400

18 Mar 2026, 18:16

Type Values Removed Values Added
New CVE
Information

Published : 2026-03-18 18:16

Updated : 2026-06-17 10:29

NVD link : CVE-2026-29856

Mitre link : CVE-2026-29856

CVE.ORG link : CVE-2026-29856

JSON object : View

Products Affected

aapanel

  • aapanel
CWE
CWE-400

Uncontrolled Resource Consumption