CVE-2026-1563: Pega Platform versions 8.1.0 through 25.1.2 are affected by an Reflected Cross-site scripting (XSS) vulnerability in a user interface component. Requires a high privileged user with a developer role.

Severity: medium (CVSS 4.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-07-15 · updated 2026-10-24
Weakness: CWE-79

Description

Pega Platform versions 8.1.0 through 25.1.2 are affected by an Reflected Cross-site scripting (XSS) vulnerability in a user interface component. Requires a high privileged user with a developer role.

Affected products

Pegasystems Pega Infinity: from 8.1 before 24.2.4; from 25.1.0 before 25.1.3 — fixed in 24.2.4, 25.1.3

How to fix

Upgrade to a fixed version: Pegasystems Pega Infinity 24.2.4, 25.1.3. Check the vendor advisory for mitigations.

References

https://support.pega.com/support-doc/pega-security-advisory-e26-vulnerability-remediation-note

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