UpHeron
All vulnerabilities

Servers and applications

CVE-2026-76288

In Splunk Enterprise versions below 10.4.4, 10.2.8, 10.0.11, and 9.4.16, an unauthenticated user could send a single crafted request to the Splunk Web JavaScript logger endpoint and cause Splunk Web to stop responding to requests. Splunk Web remains unavailable until Splunk Enterprise is restarted. The vulnerability is possible because Splunk Web does not limit request-header parsing before…

Severity
High 7.5
Published
21 Oct 2026
Last changed
30 Oct 2026
Added to UpHeron
1 Nov 2026
Fixed in
9.4.16, 10.0.11, 10.2.8, 10.4.4
Sources
NVD

Affected software

SoftwareAffected versions
Splunk EnterpriseServers and applications · cpe:a:splunk:splunk
  • From 9.4.0 before 9.4.16
  • From 10.0.0 before 10.0.11
  • From 10.2.0 before 10.2.8
  • From 10.4.0 before 10.4.4

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-76288
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-76288