Vulnerability in Talend Jobserver
CVE-2026-6264
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.
EPSS: 0.007 (50.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Talend Jobserver — versions 8.0, 7.3
- Talend Runtime — versions 8.0, 7.3
References
Frequently asked questions
- What is CVE-2026-6264?
- CVE-2026-6264 is a critical-severity vulnerability in Talend Jobserver, classified under CWE-306 MISSING AUTHENTICATION FOR CRITICAL FUNCTION. CVSS score: 9.8/10. Published 2026-04-14.
- How severe is CVE-2026-6264?
- Critical severity. CVSS v3 base score is 9.8 out of 10.