CVE-2025-2746: Kentico Xperience CMS Authentication Bypass Using an Alternate Path or Channel Vulnerability

Critical severity, CVSS 9.8. Actively exploited: in CISA KEV since 2025-10-20. EPSS: 73.6% chance of exploitation in the next 30 days.

An authentication bypass vulnerability in Kentico Xperience allows authentication bypass via the Staging Sync Server password handling of empty SHA1 usernames in digest authentication. Authentication bypass allows an attacker to control administrative objects.This issue affects Xperience through 13.0.172.

Affected products

• Kentico Xperience: up to and including 13.0.172

Published 2025-03-24. Last modified 2026-06-17.