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CVE-2026-0898

CRITICALCVSS 9/10EPSS 0.32%

Last modified

CVE-2026-0898 is a critical-severity vulnerability rated 9/10 on the CVSS scale. An arbitrary file-write vulnerability in Pega Browser Extension (PBE) affects Pega Robot Studio developers who are automating Google Chrome and Microsoft Edge using either version 22.1 or R25. This vulnerability does not affect Robot Runtime users. EPSS estimates a 0.32% chance of exploitation in the next 30 days.

Description

An arbitrary file-write vulnerability in Pega Browser Extension (PBE) affects Pega Robot Studio developers who are automating Google Chrome and Microsoft Edge using either version 22.1 or R25. This vulnerability does not affect Robot Runtime users. A bad actor could create a website that includes malicious code. The vulnerability may be exploited if a Pega Robot Studio developer is deceived into visiting this website during interrogation mode in Robot Studio.

Metrics

CVSS 4.0
9/10

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

EPSS Probability
0.32%

23.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
PegasystemsPega Robot Studio22.1; R25

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is CVE-2026-0898?
An arbitrary file-write vulnerability in Pega Browser Extension (PBE) affects Pega Robot Studio developers who are automating Google Chrome and Microsoft Edge using either version 22.1 or R25. This vulnerability does not affect Robot Runtime users. A bad actor could create a website that includes malicious code. The vulnerability may be exploited if a Pega Robot Studio developer is deceived into visiting this website during interrogation mode in Robot Studio.
How severe is CVE-2026-0898?
CVE-2026-0898 has a CVSS score of 9/10 (CRITICAL severity). The EPSS model estimates a 0.32% probability of exploitation in the next 30 days.
How do I fix CVE-2026-0898?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST