CVE-2026-76283 Protection Mechanism Failure in Splunk Enterprise
Attackers can bypass security protections in Splunk Enterprise due to a protection mechanism failure, requiring a software hardening patch.
- 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-2026-76283?
CVE-2026-76283 is a high-severity vulnerability in Splunk Splunk, published on 7 Oct 2026. Any signed-in user can exploit it over the network, 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-2026-76283 are related to protection mechanism failure and are grouped under the Common Weakness Enumeration (CWE) CWE-693.
Weakness: CWE-693
Which versions are affected by CVE-2026-76283?
It affects 1 product.
Products include Splunk Splunk.
How do I fix CVE-2026-76283?
No fix has been published for CVE-2026-76283 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-76283 being exploited?
There is no known exploitation of CVE-2026-76283 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-8xjr-85h4-xc23.