Vulnerability · Published Jun 17, 2026 · Assigned by cisco
CVE-2026-20265Insecure Default Domain Allowlist in Splunk AI Toolkit
Medium 4.3
In plain English
A medium-severity security flaw in Splunk AI Toolkit from Splunk. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 12% of all known vulnerabilities).
Official description
In Splunk AI Toolkit versions below 5.7.4, a low-privileged user that does not hold the "admin" or "power" Splunk roles could cause the Splunk AI Toolkit to make outbound requests over HTTP to a server that an attacker controls, which could allow for data exfiltration. The vulnerability exists because of an insecure default domain allowlist in the Splunk AI Toolkit, which does not restrict outbound AI agent requests to approved external domains.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Splunk | Splunk AI Toolkit | 5.7 – before 5.7.4 |
Weakness: CWE-1188 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N