# CVE-2026-76316: Stored SPL Injection through Deployment Server Broker Registration in Splunk Enterprise

> CVE-2026-76316: Stored SPL Injection through Deployment Server Broker Registration in Splunk Enterprise. CVSS 8.8 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2026-76316
Last updated: 2026-08-27T17:20:09Z

- Published: 2026-08-19 21:34 UTC · Updated: 2026-08-27 17:20 UTC · Assigner: cisco
- CVSS: 8.8 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS: 0.50%, 43th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-943

## Description

In Splunk Enterprise versions below 10.4.1, 10.2.5, 10.0.9, and 9.4.14, an unauthenticated user who can reach the Splunk management port could store a Search Processing Language (SPL) pipeline that runs when an administrator opens the Add Data forwarder workflow. The SPL pipeline could access all relevant data, affect system integrity, and affect availability of the Splunk platform instance. The SPL injection is possible because Deployment Server client identifiers are placed into dispatched searches without neutralizing special characters. Successful exploitation requires an administrator to open the affected Add Data forwarder workflow after the unauthenticated user registers a crafted Deployment Server client identity. For more information see Forward data (https://help.splunk.com/en/splunk-enterprise/get-started/get-data-in/10.2/how-to-get-data-into-your-splunk-deployment/forward-data) and About agent management (https://help.splunk.com/en/splunk-enterprise/administer/update-your-deployment/10.4/agent-management/about-agent-management) in the Splunk documentation.

## Affected vendors and products

- Splunk: Splunk Enterprise

## Tracked companies

- [Splunk](https://rewindex.com/company/splunk.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-76316)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-76316)
- [https://advisory.splunk.com/advisories/SVD-2026-0801](https://advisory.splunk.com/advisories/SVD-2026-0801)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2026-76316 · Markdown: https://rewindex.com/cve/CVE-2026-76316.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-76316 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:15:44.079Z