ReviewHigh

CVE-2026-76313

Splunk Splunk Enterprise, splunk

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 perform Remote Code Execution (RCE) by uploading a malicious knowledge bundle and causing it to be used by distributed search, which can allow for access to all relevant data and affect system integrity and availability. The vulnerability is possible because the Representational State Transfer (REST) API endpoint for knowledge bundle upload does not require the high-privilege capability edit_dist_peer, and distributed search accepts caller-supplied knowl...

CVSS: 8.8
EPSS: -
CISA KEV: Not listed
Published: 2026.08.20

PRIORITY ASSESSMENT

Review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV

Exploit probability-

Technical severityCVSS 8.8

Vulnerability overview

Affected product and versions

Product: Splunk Splunk Enterprise, splunk
Affected versions: >= 10.4 < 10.4.2, >= 10.2 < 10.2.6, >= 10.0 < 10.0.9, >= 9.4 < 9.4.14, >= 9.4.0 < 9.4.14, >= 10.0.0 < 10.0.9, >= 10.2.0 < 10.2.6, >= 10.4.0 < 10.4.2
Fixed versions: 9.4.14, 10.0.9, 10.2.6, 10.4.2

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

1
Identify
Confirm that Splunk Splunk Enterprise, splunk and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE: CWE-284