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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.

Quick assessment

Affected
Pegasystems Pega Robot Studio
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Pegasystems Pega Robotic Automation是美国Pegasystems公司的一款机器人流程自动化软件。 Pegasystems Pega Robotic Automation 22.1版本和R25版本存在安全漏洞，该漏洞源于Pega Browser Extension存在任意文件写入漏洞，当Robot Runtime用户导航到恶意网站时，可能导致攻击者执行恶意代码。

AI Predicted 7.8 Difficulty: Easy EPSS 0.32% · P25

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2026-1078

Vulnerability Information
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Vulnerability Title
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.
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Pegasystems Pega Robotic Automation 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Pegasystems Pega Robotic Automation是美国Pegasystems公司的一款机器人流程自动化软件。 Pegasystems Pega Robotic Automation 22.1版本和R25版本存在安全漏洞，该漏洞源于Pega Browser Extension存在任意文件写入漏洞，当Robot Runtime用户导航到恶意网站时，可能导致攻击者执行恶意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Pegasystems Pega Robot Studio 22.1 -

II. Public POCs for CVE-2026-1078

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III. Intelligence Information for CVE-2026-1078

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Other References for CVE-2026-1078 (1)

IV. Related Vulnerabilities

Same product: Pega Robot Studio
Same vendor: Pegasystems
Same weakness: CWE-284