CVE-2026-6264: Talend JobServer · Missing Authentication
Affects Talend JobServerSource CVE Database V5
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
- 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:HExploitation evidence
Disclosed: evidence found.
CVE published 14 Apr 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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
| Product | Affected | Fixed in |
|---|---|---|
| TalendTalend JobServer | Affected
| Fixed in
|
| TalendTalend Runtime | Affected
| Fixed in
|
Mavenorg.talend/jobserverpkg:maven/org.talend/jobserverOther threats | Affected
| 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.