Splunk Enterprise and Cloud Platform
CVE-2023-40598: Command Injection in Splunk Enterprise Using External Lookups
In Splunk Enterprise versions below 8.2.12, 9.0.6, and 9.1.1, an attacker can create an external lookup that calls a legacy internal function.
Published
Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.
Affected and fixed versions
| Product / branch | Fixed in |
|---|---|
| Splunk Enterprise 8.2 | 8.2.12 or later |
| Splunk Enterprise 9.0 | 9.0.6 or later |
| Splunk Enterprise 9.1 | 9.1.1 or later |
| Splunk Cloud - | 9.0.2305.200 or later |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
In Splunk Enterprise versions below 8.2.12, 9.0.6, and 9.1.1, an attacker can create an external lookup that calls a legacy internal function. The attacker can use this internal function to insert code into the Splunk platform installation directory. From there, a user can execute arbitrary code on the Splunk platform Instance.
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 13 Oct 2026.