CVE-2026-20166
MEDIUMCVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Lifecycle Timeline
2Description
In Splunk Enterprise versions below 10.2.1 and 10.0.4, and Splunk Cloud Platform versions below 10.2.2510.5, 10.1.2507.16, and 10.0.2503.12, a low-privileged user that does not hold the "admin" or "power" Splunk roles could retrieve the Observability Cloud API access token through the Discover Splunk Observability Cloud app due to improper access control. This vulnerability does not affect Splunk Enterprise versions below 9.4.9 and 9.3.10 because the Discover Splunk Observability Cloud app does not come with Splunk Enterprise.
Analysis
Improper access control in the Discover Splunk Observability Cloud app allows low-privileged users without admin or power roles to retrieve Observability Cloud API access tokens in Splunk Enterprise versions below 10.2.1/10.0.4 and Splunk Cloud Platform versions below 10.2.2510.5/10.1.2507.16/10.0.2503.12. An attacker with low-level credentials could leverage this to obtain API tokens for unauthorized access to Observability Cloud resources. …
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Remediation
Within 30 days: Identify affected systems running Splunk Enterprise and apply vendor patches as part of regular patch cycle. Review data exposure and access controls.
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External POC / Exploit Code
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