SB2026091124 - Improper access control in Vert.x

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2026091124

SB2026091124 - Improper access control in Vert.x

Published: September 11, 2026

Security Bulletin ID SB2026091124
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper access control (CVE-ID: CVE-2026-15075)

CWE-ID: CWE-284 - Improper Access Control

CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to disclose sensitive information.

The vulnerability exists due to improper access control in the DefaultRedirectHandler in vertx-core when following cross-origin HTTP 30x redirects. A remote attacker can cause a Vert.x HttpClient request to be redirected to an attacker-controlled host to disclose sensitive information.

Credential and custom request headers can be forwarded to the redirect destination.


Remediation

Install update from vendor's website.

References