CVE-2026-76281 Improper Access Control in Splunk Enterprise
Improper access control in Splunk Enterprise allows attackers to bypass security restrictions, requiring a software hardening patch.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-76281?
CVE-2026-76281 is a missing authorization vulnerability in Splunk Splunk, published on 7 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
As part of Cisco's ongoing commitment to proactive security and product quality, Cisco has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-76281 are related to improper access control issues that are grouped under the Common Weakness Enumeration (CWE) CWE-284.
Weakness: CWE-284
Which versions are affected by CVE-2026-76281?
It affects 1 product.
Products include Splunk Splunk.
How do I fix CVE-2026-76281?
No fix has been published for CVE-2026-76281 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-2026-76281 being exploited?
There is no known exploitation of CVE-2026-76281 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-24c4-mg94-gv8m.