CVE-2026-6264
Critical Security fix for the Talend JobServer and Talend Runtime
CVSS Score
9.8
EPSS Score
0.2%
EPSS Percentile
47th
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.
| Vendor | talend |
| Product | talend jobserver |
| Published | Apr 14, 2026 |
| Last Updated | Apr 16, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Talend / Talend JobServer
8.0 < TPS-6017 7.3 < TPS-6018
Talend / Talend Runtime
8.0 < 8.0.1.R2026-01-RT 7.3 < 7.3.1-R2026-01
References
Credits
Harpreet Singh (@TheCyb3rAlpha), Profession: Security Researcher