SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAwaiting Analysis

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.

CRITICAL 9.0EPSS 0.32%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.32%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 4.0
9.0 CRITICALCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS
0.32% probability · 25th percentile
CISA KEV
Not listed
Weakness
CWE-284
Source
security@pega.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.