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Medium severity · published Apr 7, 2026
CVE-2026-1079
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.
6.0
CVSS
0.3%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 18% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PB
Pega Browser Extension (PBE) · Pegasystems
before 3.1.45 · source: vendor
Affected product
PB
Pega Browser Extension (PBE)
Pegasystems
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-1079
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-1079
support.pega.com
https://support.pega.com/support-doc/pega-security-advisory-a26-vulnerability-remediation-note