CVE-2026-0898: An arbitrary file-write vulnerability in Pega Browser Extension (PBE) affects Pega Robot Studio developers who are automating Google Chrome and Microsoft Edge using either version 22.1 or R25.

Severity: critical (CVSS 9.0 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: 2026-03-23 · updated 2026-06-17
Weakness: CWE-284

Description

An arbitrary file-write vulnerability in Pega Browser Extension (PBE) affects Pega Robot Studio developers who are automating Google Chrome and Microsoft Edge using either version 22.1 or R25. This vulnerability does not affect Robot Runtime users. A bad actor could create a website that includes malicious code. The vulnerability may be exploited if a Pega Robot Studio developer is deceived into visiting this website during interrogation mode in Robot Studio.

Affected products

Pegasystems Pega Robot Studio: 22.1, R25

References

https://support.pega.com/support-doc/pega-security-advisory-p25-vulnerability-remediation-note

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