SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAwaiting Analysis

CVE-2026-1078

An arbitrary file-write vulnerability in Pega Browser Extension (PBE) affects Pega Robotic Automation version 22.1 or R25 users who are running automations that work with Google Chrome or Microsoft Edge.

HIGH 7.2EPSS 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 Robotic Automation version 22.1 or R25 users who are running automations that work with Google Chrome or Microsoft Edge. A bad actor could create a website that includes malicious code. The vulnerability could occur if a Robot Runtime user navigates to the malicious website.

CVSS 4.0
7.2 HIGHCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:H/VA:H/SC:N/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.