ReviewHigh

CVE-2026-76333

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 holds the "power" Splunk role could store a Dashboard Studio workflow action with a crafted Uniform Resource Locator (URL). When another authenticated user selects the stored action from Event Actions and selects Continue, attacker-controlled JavaScript runs in the browser of that user. This could expose data or actions available through Splunk Web to that user. The vulnerability is possible because Dashboard Studio does not sufficiently validate workflow-action URLs before processing them. The vulnerability...

CVSS: 7.1
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 7.1

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:H/PR:L/UI:R/S:U/C:H/I:H/A:H
CWE: CWE-79