CVE-2026-1079

Severity CVSS v4.0:

MEDIUM

Type:

CWE-284 Improper Access Control

Publication date:

07/04/2026

Last modified:

07/04/2026

Description

A native messaging host vulnerability in Pega Browser Extension (PBE) affects users of all versions of Pega Robotic Automation who have installed Pega Browser Extension. A bad actor could create a website that contains malicious code that targets PBE. The vulnerability could occur if a user navigates to this website. The malicious website could then present an unexpected message box.

Impact

Vector 4.0

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L CVSS v4.0 Severity and Metrics:

Base Score: 6.00 MEDIUM
Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L

Attack Vector (AV): Network
Attack Complexity (AC): Low
Attack Requirements (AT): Present
Privileges Required (PR): None
User Interaction (UI): Passsive
Confidentiality (VC): None
Integrity (VI): None
Availability (VA): High
Confidentiality (SC): None
Integrity (SI): None
Availability (SA): Low

Base Score 4.0

6.00

Severity 4.0

MEDIUM

References to Advisories, Solutions, and Tools

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