CVE-2023-22938 Permissions Validation Failure in the ‘sendemail’ REST API Endpoint in Splunk Enterprise
Authenticated users can send emails as the Splunk instance via the sendemail REST API due to insufficient permission checks.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-22938?
CVE-2023-22938 is a medium-severity missing authorization vulnerability in Splunk Splunk, published on 14 Feb 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
In Splunk Enterprise versions below 8.1.13, 8.2.10, and 9.0.4, the ‘sendemail’ REST API endpoint lets any authenticated user send an email as the Splunk instance. The endpoint is now restricted to the ‘splunk-system-user’ account on the local instance.
Weakness: CWE-285
Which versions are affected by CVE-2023-22938?
It affects 2 products.
Products include Splunk Splunk, Splunk Splunk Cloud Platform.
How do I fix CVE-2023-22938?
No fix has been published for CVE-2023-22938 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2023-22938 being exploited?
There is no known exploitation of CVE-2023-22938 in the wild and no public exploit code.
Other vulnerabilities in Splunk Splunk
- CVE-2026-20253 Splunk Enterprise Missing Authentication for Critical Function
- CVE-2026-76268 Missing Authentication for Critical Function in the Patroni REST API in Splunk Enterprise
- CVE-2026-76284 Improper Neutralization in Splunk Enterprise
- CVE-2026-76285 Improper Adherence to Coding Standards in Splunk Enterprise
- CVE-2017-17067 Auth bypass in n/a
Sources
Also known as GHSA-f44g-3vj9-vwv9.