What’s Vulnerable › Vulnerabilities
CVE-2026-6264: Critical Security fix for the Talend JobServer and Talend Runtime
- Severity: critical (CVSS 9.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.7% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-04-14 · updated 2026-10-26
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.
Affected products
- Talend JobServer: from 8.0 before TPS-6017; from 7.3 before TPS-6018 — fixed in TPS-6017, TPS-6018
- Talend Runtime: from 8.0 before 8.0.1.R2026-01-RT; from 7.3 before 7.3.1-R2026-01 — fixed in 7.3.1-R2026-01, 8.0.1.R2026-01-RT
How to fix
Upgrade to a fixed version: Talend JobServer TPS-6017, TPS-6018; Talend Runtime 7.3.1-R2026-01, 8.0.1.R2026-01-RT. Check the vendor advisory for mitigations.
References
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