CVE-2026-1564 PUBLISHED

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.

Assigner: Pega
Reserved: 28.01.2026 Published: 15.04.2026 Updated: 16.04.2026

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.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
CVSS Score: 5.1

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	Low	Confidentiality	None
Attack Complexity	Low	Integrity	Low	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	High
User Interaction	None

CVSS 4.0

Product Status

Vendor	Pegasystems
Product	Pega Infinity
Versions	Default: unaffected affected from 8.1.0 to Infinity 25.1.2 (excl.)

Credits

Michal Skowron from ING Hubs Poland finder

References

https://support.pega.com/support-doc/pega-security-advisory-b26-vulnerability-remediation-note

Problem Types

CWE-80: Improper Neutralization of Script Related HTML Tags in a Web Page CWE

Impacts

CAPEC-18: XSS Targeting Non-Script Elements