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Vulnerability Details 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 operations. For more information see Sidecar configuration settings (https://help.splunk.com/en/data-management/splunk-enterprise-admin-manual/10.2/splunk-sidecars/sidecar-configuration-settings) in the Splunk documentation. Splunk Enterprise versions 10.0.x and 9.4.x are not affected.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 32.6%
CVSS Severity
CVSS v3 Score 9.8
Products affected by CVE-2026-76268
  • Splunk » Splunk » Version: 10.2.0
    cpe:2.3:a:splunk:splunk:10.2.0
  • Splunk » Splunk » Version: 10.2.1
    cpe:2.3:a:splunk:splunk:10.2.1
  • Splunk » Splunk » Version: 10.2.2
    cpe:2.3:a:splunk:splunk:10.2.2
  • Splunk » Splunk » Version: 10.2.4
    cpe:2.3:a:splunk:splunk:10.2.4
  • Splunk » Splunk » Version: 10.2.5
    cpe:2.3:a:splunk:splunk:10.2.5
  • Splunk » Splunk » Version: 10.2.6
    cpe:2.3:a:splunk:splunk:10.2.6
  • Splunk » Splunk » Version: 10.4.0
    cpe:2.3:a:splunk:splunk:10.4.0
  • Splunk » Splunk » Version: 10.4.1
    cpe:2.3:a:splunk:splunk:10.4.1
  • Splunk » Splunk » Version: 10.4.2
    cpe:2.3:a:splunk:splunk:10.4.2


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