Improper Authentication in Splunk Enterprise - CVE-2026-76338
Published: August 20, 2026
Vulnerability identifier: #VU144425
CSH Severity: Low
CVSS v4: 7.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-76338
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to forge an administrative session token.
The vulnerability exists due to improper authentication in distributed search authentication token endpoint when processing distributed search token requests. A remote attacker can send a crafted token request to forge an administrative session token.
Exploitation requires access to a trusted distributed search private key.
Affected software
Splunk Enterprise
How to mitigate CVE-2026-76338
Install security update from vendor's website.
Splunk Enterprise - addressed in versions 9.4.14, 10.0.9, 10.2.6, 10.4.2