All vulnerabilities

Servers and applications

CVE-2026-76268

In Splunk Enterprise versions below 10.4.3 and 10.2.7, an unauthenticated user with network access to the Patroni Representational State Transfer (REST) Application Programming Interface (API) on a search head cluster member could execute attacker-controlled operating-system commands. The vulnerability is possible because this interface does not require authentication for critical configuration…

Severity
Critical 9.8
Published
7 Oct 2026
Last changed
14 Oct 2026
Added to UpHeron
1 Nov 2026
Fixed in
10.2.7, 10.4.3
Sources
NVD

Affected software

SoftwareAffected versions
Splunk EnterpriseServers and applications · cpe:a:splunk:splunk
  • From 10.2.0 before 10.2.7
  • From 10.4.0 before 10.4.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-76268
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-76268