Token-Signing Key Reload Vulnerability in Splunk Enterprise by Splunk
CVE-2026-76340

5.3MEDIUM

Key Information:

Vendor

Splunk
Status
Splunk Enterprise
Vendor
CVE Published:
19 August 2026

What is CVE-2026-76340?

In Splunk Enterprise versions 10.4.0 and 10.4.1, an unauthenticated user can trigger a reload of token-signing keys via the REST API due to the lack of authentication requirements for the associated action. This flaw allows unauthorized users to manipulate security-sensitive configurations, potentially compromising the integrity of token management. For a thorough explanation of user roles and capabilities, refer to the Splunk documentation.

Affected Version(s)

Splunk Enterprise 10.4 < 10.4.2

References

https://advisory.splunk.com/advisories/SVD-2026-0801

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.