vulnerability

VMware Photon OS: CVE-2025-6442

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:N/I:C/A:N)
Published
Jun 25, 2025
Added
Sep 11, 2025
Modified
Feb 9, 2026

Description

Ruby WEBrick read_header HTTP Request Smuggling Vulnerability. This vulnerability allows remote attackers to smuggle arbitrary HTTP requests on affected installations of Ruby WEBrick. This issue is exploitable when the product is deployed behind an HTTP proxy that fulfills specific conditions.

The specific flaw exists within the read_headers method. The issue results from the inconsistent parsing of terminators of HTTP headers. An attacker can leverage this vulnerability to smuggle arbitrary HTTP requests. Was ZDI-CAN-21876.

Solution

vmware-photon_os_update_tdnf
Title
NEW

Explore Exposure Command

Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.