Insecure Directory Permissions Vulnerability in Apache HTTP Server by Apache Lounge
CVE-2026-89282

9.1CRITICAL

Key Information:

Vendor
CVE Published:
22 September 2026

Badges

๐Ÿ‘พ Exploit Exists๐ŸŸก Public PoC

What is CVE-2026-89282?

The Apache Lounge Windows distribution of the Apache HTTP Server contains a vulnerability caused by insecure installation directory permissions. Specifically, the default installation directory located on C:\ inherits write access for Authenticated Users, which could allow unauthorized modifications to the server configuration or files, creating potential security risks. Proper permission management is vital to safeguard sensitive files and ensure the integrity of web applications hosted on the server.

Affected Version(s)

Apache Lounge Windows 0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

References

CVSS V3.1

Score:
9.1
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • ๐ŸŸก

    Public PoC available

  • ๐Ÿ‘พ

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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