Remote Command Execution Vulnerability in Splunk Enterprise by Splunk
CVE-2026-76268

9.8CRITICAL

Key Information:

Vendor

Splunk
Status
Splunk Enterprise
Vendor
CVE Published:
7 October 2026

What is CVE-2026-76268?

A vulnerability exists in Splunk Enterprise prior to versions 10.4.3 and 10.2.7, where unauthenticated users can exploit the Patroni REST API on search head cluster members. This flaw enables attackers to execute operating system commands due to the lack of authentication for critical configuration operations. Organizations using these affected versions must assess their exposure and consider implementing immediate security measures to mitigate potential risks.

Affected Version(s)

Splunk Enterprise 10.4 < 10.4.3

Splunk Enterprise 10.2 < 10.2.7

References

https://advisory.splunk.com/advisories/SVD-2026-1001

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Gabriel Nitu, Splunk
.