Vulnerability · Published Apr 14, 2026 · Assigned by Bugcrowd
CVE-2026-6264Critical Security fix for the Talend JobServer and Talend Runtime
Critical 9.8
In plain English
A critical-severity security flaw in Talend JobServer from Talend. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 55% of all known vulnerabilities).
Official 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Talend | Talend JobServer | 8.0 – before TPS-60177.3 – before TPS-6018 |
| Talend | Talend Runtime | 8.0 – before 8.0.1.R2026-01-RT7.3 – before 7.3.1-R2026-01 |