CVE-2025-26862 PingFederate unexpected browser flow initiation in redirectless mode
Attackers can bypass security controls in non-default redirectless mode to render authentication forms, enabling brute force login attempts against PingFederate.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-26862?
CVE-2025-26862 is a vulnerability in PingFederate, published on 27 Oct 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-307
Which versions are affected by CVE-2025-26862?
How do I fix CVE-2025-26862?
No fix has been published for CVE-2025-26862 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-26862 being exploited?
There is no known exploitation of CVE-2025-26862 in the wild and no public exploit code.
Sources
Also known as GHSA-h7m5-vjwp-2jfx.