Medium [CVE-2026-76353] Path Traversal through Knowledge Bundle Replication in Splunk Enterprise
This medium-severity Splunk advisory covers CVE-2026-76353 affecting Splunk Enterprise.
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Summary
In Splunk Enterprise versions below 10.4.2, 10.2.6, 10.0.9, and 9.4.14, a user who does not hold the "admin" or "power" Splunk roles could submit a crafted knowledge bundle delta to delete arbitrary files accessible to Splunk Enterprise on a cluster manager. This could affect system integrity and disrupt service.
The vulnerability is possible because knowledge bundle delta processing does not restrict removal paths to the staging directory and the endpoint does not enforce the expected authorization boundary. For more information see Knowledge bundle replication overview ( ) in the Splunk documentation.
- Splunk Enterprise 10.4 before 10.4.2
- Splunk Enterprise 10.2 before 10.2.6
- Splunk Enterprise 10.0 before 10.0.9
- Splunk Enterprise 9.4 before 9.4.14
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- 10.4.2
- 10.2.6
- 10.0.9
- 9.4.14
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- The vulnerability is possible because knowledge bundle delta processing does not restrict removal paths to the staging directory and the endpoint does not enforce the expected authorization boundary.
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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