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Vulnerability record · CVE-2026-1078 · published 7 April 2026

CVE-2026-1078: Improper access control vulnerability

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.

7.2 CVSS 4.0 High EPSS 0.32% · top 77.4% CWE-284 · Improper access control Awaiting Analysis
7.2CVSS 4.0 base score
0.32%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

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/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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://support.pega.com/support-doc/pega-security-advisory-a26-vulnerability-remediation-note

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-1078), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.