All vulnerabilities

Servers and applications

CVE-2026-76277

In Splunk Enterprise versions below 10.4.3, 10.2.7, 10.0.10, and 9.4.15, a user that holds a role with the edit_user capability could create a native Splunk username that ends with a period. The vulnerability is possible because username validation does not reject a trailing period before the username is used for a user directory. This can cause distinct native Splunk usernames to share per-user…

Severity
Medium 4.1
Published
7 Oct 2026
Last changed
14 Oct 2026
Added to UpHeron
1 Nov 2026
Fixed in
9.4.15, 10.0.10, 10.2.7, 10.4.3
Sources
NVD

Affected software

SoftwareAffected versions
Splunk EnterpriseServers and applications · cpe:a:splunk:splunk
  • From 9.4.0 before 9.4.15
  • From 10.0.0 before 10.0.10
  • From 10.2.0 before 10.2.7
  • From 10.4.0 before 10.4.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-76277
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-76277