Blind SQL Injection Vulnerability in Windu CMS
CVE-2026-57309

9.3CRITICAL

Key Information:

Vendor

Jcd

Status
Windu Cms
Vendor
CVE Published:
20 July 2026

What is CVE-2026-57309?

A Blind SQL injection vulnerability has been discovered in Windu CMS, allowing a remote unauthenticated attacker to manipulate SQL queries via the HTTP header's URL path. Although confirmation has been established for version 4.1, there is a possibility that other versions may also be vulnerable. This flaw poses a significant risk, as it allows attackers to execute arbitrary SQL commands, potentially revealing sensitive data or affecting the integrity of the application.

Affected Version(s)

Windu CMS 4.1

References

https://cert.pl/posts/2026/07/CVE-2026-57309
third-party-advisory
https://windu.org
product

CVSS V4

Score:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Jakub Lipiński
Marek Tołczyk
Kamil KrĂłlikowski
.