by Kastro
Paper/Archive/CVE-2026-6264

CVE-2026-6264

Talend Talend JobServer — Critical Security fix for the Talend JobServer and Talend Runtime

EPSS 0.7%CVSS 9.8
critical.is priorityof 100
40
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 54.6.546 × 2010.9No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
Talend JobServer8.0 – < TPS-6017TPS-6017CNA
Talend JobServer7.3 – < TPS-6018TPS-6018CNA
Talend Runtime8.0 – < 8.0.1.R2026-01-RT8.0.1.R2026-01-RTCNA
Talend Runtime7.3 – < 7.3.1-R2026-017.3.1-R2026-01CNA

Scores by source

Bugcrowd (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

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