CVE-2026-6264

Critical

Description

A critical vulnerability in the Talend JobServer and Talend Runtime allows unauthenticated remote code execution via the JMX monitoring port. The attack vector is the JMX monitoring port of the Talend JobServer. The vulnerability can be mitigated for the Talend JobServer by requiring TLS client authentication for the monitoring port; however, the patch must be applied for full mitigation. For Talend ESB Runtime, the vulnerability can be mitigated by disabling the JobServer JMX monitoring port, which is disabled by default from the R2024-07-RT patch.

SeverityCritical
CVSS9.8
Exploit probability—
ProductTalend JobServer
PublishedApr 14, 2026
First seenApr 14, 2026

How to fix

Update
  • Talend Talend JobServerTPS-6017, TPS-6018 or later
  • Talend Talend Runtime8.0.1.R2026-01-RT, 7.3.1-R2026-01 or later

Affected products

ProductAffected versionsFixed in
Talend Talend JobServer8.0 ≤ v < TPS-6017, 7.3 ≤ v < TPS-6018TPS-6017, TPS-6018
Talend Talend Runtime8.0 ≤ v < 8.0.1.R2026-01-RT, 7.3 ≤ v < 7.3.1-R2026-018.0.1.R2026-01-RT, 7.3.1-R2026-01

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.