Ping Identity PingFederate up to 12.3.2 HTML Form Adapter excessive authentication

Summaryinfo

A vulnerability categorized as problematic has been discovered in Ping Identity PingFederate up to 11.3.13/12.0.9/12.1.8/12.2.5/12.3.2. Affected is an unknown function of the component HTML Form Adapter. Executing a manipulation can lead to excessive authentication. This vulnerability is tracked as CVE-2025-26862. The attack can be launched remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Ping Identity PingFederate up to 11.3.13/12.0.9/12.1.8/12.2.5/12.3.2 and classified as problematic. This vulnerability affects an unknown functionality of the component HTML Form Adapter. The manipulation with an unknown input leads to a excessive authentication vulnerability. The CWE definition for the vulnerability is CWE-307. The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame, making it more susceptible to brute force attacks. As an impact it is known to affect confidentiality. CVE summarizes:

Unexpected authentication form rendering in HTML Form Adapter using only non-default redirectless mode in PingFederate allows authentication attempts which may enable brute force login attacks.

The advisory is available at support.pingidentity.com. This vulnerability was named CVE-2025-26862 since 04/16/2025. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1110.001 by the MITRE ATT&CK project.

Upgrading to version 11.3.14, 12.0.10, 12.1.9, 12.2.6 or 12.3.3 eliminates this vulnerability.

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Productinfo

Vendor

• Ping Identity

Name

• PingFederate

Version

• 11.3.0
• 11.3.1
• 11.3.2
• 11.3.3
• 11.3.4
• 11.3.5
• 11.3.6
• 11.3.7
• 11.3.8
• 11.3.9
• 11.3.10
• 11.3.11
• 11.3.12
• 11.3.13
• 12.0.0
• 12.0.1
• 12.0.2
• 12.0.3
• 12.0.4
• 12.0.5
• 12.0.6
• 12.0.7
• 12.0.8
• 12.0.9
• 12.1.0
• 12.1.1
• 12.1.2
• 12.1.3
• 12.1.4
• 12.1.5
• 12.1.6
• 12.1.7
• 12.1.8
• 12.2.0
• 12.2.1
• 12.2.2
• 12.2.3
• 12.2.4
• 12.2.5
• 12.3.0
• 12.3.1
• 12.3.2

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