CVE-2026-1564 Cross-site scripting in Pega Infinity

Medium 5.1 Published 15 Apr 2026 Updated 16 Apr 2026

A high-privileged developer can inject HTML into the Pega Platform UI, potentially leading to code execution or security bypass.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-1564?

CVE-2026-1564 is a medium-severity cross-site scripting vulnerability in Pegasystems Pega Infinity, published on 15 Apr 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

Pega Platform versions 8.1.0 through 25.1.1 are affected by an HTML Injection vulnerability in a user interface component. Requires a high privileged user with a developer role.

Weakness: CWE-80

Which versions are affected by CVE-2026-1564?

It affects 1 product.

Products include Pega Pega Platform.

How do I fix CVE-2026-1564?

No fix has been published for CVE-2026-1564 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2026-1564 being exploited?

There is no known exploitation of CVE-2026-1564 in the wild and no public exploit code.

Sources

Also known as GHSA-hm98-22vr-c62v.