What’s Vulnerable › Vulnerabilities
CVE-2026-76264: Improper Authorization through the REST API in Splunk Enterprise
- Severity: medium (CVSS 4.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-10-07 · updated 2026-10-14
- Weakness: CWE-863
Description
In Splunk Enterprise versions below 10.4.2, 10.2.6, 10.0.10, and 9.4.15, a user who does not hold the "admin" or "power" Splunk roles could create or edit scripted lookup definitions through raw configuration endpoints. The vulnerability is possible because raw transforms configuration write paths do not apply external lookup capability checks before saving scripted lookup settings.
Affected products
- Splunk Enterprise: from 9.4.0 before 9.4.15; from 10.0.0 before 10.0.10; from 10.2.0 before 10.2.6; from 10.4.0 before 10.4.2 — fixed in 10.0.10, 10.2.6, 10.4.2, 9.4.15
How to fix
Upgrade to a fixed version: Splunk Enterprise 10.0.10, 10.2.6, 10.4.2, 9.4.15. Check the vendor advisory for mitigations.
References
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