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Review reviewHigh

CVE-2026-20296

Splunk Splunk Enterprise, Splunk Cloud Platform, splunk

In Splunk Enterprise versions below 10.4.1, 10.2.5, 10.0.8, and 9.4.13, and Splunk Cloud Platform versions below 10.5.2605.0, 10.4.2604.7, 10.3.2512.16, 10.2.2510.18, and 10.1.2507.24, an attacker could trick a user that holds a role with the `list_deployment_server` capability into running arbitrary Search Processing Language (SPL) searches on their behalf as `splunk-system-user`, allowing for access to stored credentials and indexed data.<br><br>The vulnerability is possible because Deployment Server endpoints in Splunk Web do not validate Cross-Site Request Forgery (CSRF) tokens on GET r...

CVSS
8.3
EPSS
0.23%
13.9% percentile
CISA KEV
Not listed
Published
2026.07.16
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.23%
Technical severityCVSS 8.3

Vulnerability overview

In Splunk Enterprise versions below 10.4.1, 10.2.5, 10.0.8, and 9.4.13, and Splunk Cloud Platform versions below 10.5.2605.0, 10.4.2604.7, 10.3.2512.16, 10.2.2510.18, and 10.1.2507.24, an attacker could trick a user that holds a role with the `list_deployment_server` capability into running arbitrary Search Processing Language (SPL) searches on their behalf as `splunk-system-user`, allowing for access to stored credentials and indexed data.<br><br>The vulnerability is possible because Deployment Server endpoints in Splunk Web do not validate Cross-Site Request Forgery (CSRF) tokens on GET r...

Affected product and versions

Product
Splunk Splunk Enterprise, Splunk Cloud Platform, splunk
Affected versions
>= 10.4 < 10.4.1, >= 10.2 < 10.2.5, >= 10.0 < 10.0.8, >= 9.4 < 9.4.13, >= 10.5.2605 < 10.5.2605.0, >= 10.4.2604 < 10.4.2604.7, >= 10.3.2512 < 10.3.2512.16, >= 10.2.2510 < 10.2.2510.18, >= 10.1.2507 < 10.1.2507.24, >= 9.4.0 < 9.4.13, >= 10.0.0 < 10.0.8, >= 10.2.0 < 10.2.5, 10.4.0
Fixed versions
9.4.13, 10.0.8, 10.2.5, 10.1.2507.24, 10.2.2510.18, 10.3.2512.16, 10.4.2604.7

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Splunk Splunk Enterprise, Splunk Cloud Platform, splunk and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L
CWE
CWE-352
CVE-2026-20296 — Splunk Splunk Enterprise, Splunk Cloud Platform, splunk | SECUFOCUS NOW