Skip to main content
CVE-2026-6264VulnerabilityPublished Updated

CVE-2026-6264: Talend JobServer · Missing Authentication

Affects Talend JobServerSource CVE Database V5

0

Not known to be exploited · CVSS 9.8 Critical : upgrade to TPS-6018 or TPS-6017 as a priority.

Data as of 26 Oct 2026, 08:30 UTC

CVSS 3.1 base score
9.8Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.7% chance of exploitation in 30 days – higher than 54% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in TPS-6018, TPS-6017, 8.0.1.R2026-01-RT +1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 14 Apr 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Upgrade Talend to TPS-6018 or TPS-6017 (JobServer); 8.0.1.R2026-01-RT or 7.3.1-R2026-01 (Runtime).

Affected software

ProductAffectedFixed in
TalendTalend JobServerAffected
  • =8.0
  • =7.3
Fixed in
  • TPS-6018
  • TPS-6017
TalendTalend RuntimeAffected
  • >=8.0 <8.0.1.R2026-01-RT
  • >=7.3 <7.3.1-R2026-01
Fixed in
  • 8.0.1.R2026-01-RT
  • 7.3.1-R2026-01
Mavenorg.talend/jobserverpkg:maven/org.talend/jobserverOther threatsAffected
  • =7.3
  • =8.0
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

For Talend JobServer, require TLS client authentication on the JMX monitoring port to mitigate the vulnerability. For Talend ESB Runtime, disable the JobServer JMX monitoring port; this port is disabled by default starting with the R2024-07-RT patch.

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.

References

Community reviews

Loading reviews…