7.2
HIGH CVSS 4.0
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.
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.

INFO

Published Date :

April 7, 2026, 4:16 p.m.

Last Modified :

April 7, 2026, 4:16 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-1078 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 4.0 HIGH c91e5604-2bd1-401f-a0ec-b25342b57ef9
CVSS 4.0 HIGH [email protected]
Solution
Update Pega Robotic Automation to a version that addresses the arbitrary file-write vulnerability.
  • Update Pega Robotic Automation to a secure version.
  • Apply vendor-provided patches or updates.
  • Restrict user access to untrusted websites.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-1078.

URL Resource
https://support.pega.com/support-doc/pega-security-advisory-a26-vulnerability-remediation-note
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-1078 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-1078 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-1078 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Apr. 07, 2026

    Action Type Old Value New Value
    Added 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.
    Added CVSS V4.0 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:X/V:X/RE:X/U:X
    Added CWE CWE-284
    Added Reference https://support.pega.com/support-doc/pega-security-advisory-a26-vulnerability-remediation-note
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.