CVE-2026-6264

Critical Security fix for the Talend JobServer and Talend Runtime

State: Published
Severity: 9.8 Critical
Published: Apr 14, 2026
Updated: Apr 16, 2026
Reserved: Apr 14, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	Bugcrowd

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
Talend JobServerTalend	8.0 to before TPS-6017Affected 7.3 to before TPS-6018Affected
Talend RuntimeTalend	8.0 to before 8.0.1.R2026-01-RTAffected 7.3 to before 7.3.1-R2026-01Affected

References

https://community.qlik.com/t5/Official-Support-Articles/Critical-Security-fix-for-the-Qlik-Talend-JobServer-and-Talend/tac-p/2541974

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