CVE-2025-2746
Kentico Xperience CMS Authentication Bypass Using an Alternate Path or Channel Vulnerability
This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run Xperience CMS, fix it now.
CISA required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
US federal civilian agencies must remediate by Nov 10, 2025.
Patch status
Official fix available since
Apply the vendor's update to every affected system. Check the fixed-in versions below where known.
Basis: NVD patch reference
Description
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.
Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.
Affected products
| Product | Vendor | Affected versions | Source |
|---|---|---|---|
| Kentico Xperience | Kentico | <= 13.0.172 | NVD |
| Xperience CMS | Kentico | — | KEV |
Sources: NVD = NIST National Vulnerability Database; KEV = CISA Known Exploited Vulnerabilities catalog.
Intelligence timeline
Developments from the last 30 days, newest first.
- CVSS scoredUpdateKEV
CVE-2025-2746 scored CVSS 9.8: Kentico Xperience CMS, Kentico Xperience CMS Authentication Bypass Using an Alternate Path or Channel Vulnerability
CISA lists this as exploited in the wild. Unpatched Xperience CMS systems are exposed to active attacks now.
Basis: NIST National Vulnerability Database
- Patch releasedUpdateKEV
Patch released for CVE-2025-2746: Kentico Xperience CMS, Kentico Xperience CMS Authentication Bypass Using an Alternate Path or Channel Vulnerability
An official fix is now available for Kentico Xperience CMS. This vulnerability is being exploited, so apply it promptly.
Basis: NVD patch reference
1 earlier event is available with a subscription. See plans.
Coverage
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