What’s Vulnerable › Vulnerabilities

CVE-2025-26862: PingFederate unexpected browser flow initiation in redirectless mode

• Severity: none (CVSS 0.0 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-10-27 · updated 2026-10-08
• Weakness: CWE-307

Description

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.

Affected products

• Ping Identity PingFederate: from 11.3.0 before 11.3.14; from 12.0.0 before 12.0.10; from 12.1.0 before 12.1.9; from 12.2.0 before 12.2.6; from 12.3.0 before 12.3.3 — fixed in 11.3.14, 12.0.10, 12.1.9, 12.2.6, 12.3.3

How to fix

Upgrade to a fixed version: Ping Identity PingFederate 11.3.14, 12.0.10, 12.1.9, 12.2.6. Check the vendor advisory for mitigations.

References

• https://support.pingidentity.com/s/article/PingFederate-unexpected-template-rendering-in-redirectless-mode
• https://www.pingidentity.com/en/resources/downloads/pingfederate.html

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