Widely-used enterprise data integration platform; unauth RCE via JMX could disrupt IT ops across organizations.
CVE-2026-6264
Unauthenticated remote code execution via Talend JobServer JMX port.
Is CVE-2026-6264 being exploited?
Not confirmed. CVE-2026-6264 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.74% probability of exploitation in the next 30 days.
How severe is CVE-2026-6264?
CVE-2026-6264 is rated Critical with a CVSS score of 9.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-6264?
Yes. A fix has been recorded for CVE-2026-6264. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-6264 affect?
CVE-2026-6264 affects Talend JobServer, Talend Runtime (ESB). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-6264?
Patch now; enable TLS client-auth on JMX; disable JMX on ESB Runtime if patch pending.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
RCE via JMX port; attacker can execute code on JobServer, potentially take control and access data.
Immediate action required
- affected>= 8.0 and < TPS-6017
- affected>= 7.3 and < TPS-6018
- affected>= 8.0 and < 8.0.1.R2026-01-RT
- affected>= 7.3 and < 7.3.1-R2026-01
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.