CVE-2026-76337

Summary

In Splunk Enterprise versions below 10.4.2, 10.2.6, 10.0.9, and 9.4.14, an unauthenticated user could read JavaScript files outside the Splunk Web static directory. The vulnerability is possible because Splunk Web does not restrict static file requests to the configured static directory.

Affected Software

VendorProductVersion RangeStatus
SplunkSplunk Enterprise10.4 < 10.4.2affected
SplunkSplunk Enterprise10.2 < 10.2.6affected
SplunkSplunk Enterprise10.0 < 10.0.9affected
SplunkSplunk Enterprise9.4 < 9.4.14affected

Weaknesses

  • CWE-22: The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the software does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

Workarounds

The vulnerability affects instances with Splunk Web turned on. Turning Splunk Web off is a possible workaround. See Disable unnecessary Splunk Enterprise components and the web.conf configuration specification file for more information on turning off Splunk Web.

References