# CVE-2026-76304: Splunk SOAR access control bypass in Automation Broker configuration

Source: https://junglewise.ai/threats/cve-2026-76304-in-splunk-soar-versions-below-8-7-0-an-authenticated-user-who  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-21. Updated: 2026-10-21  
License: CC BY 4.0 with a link back

CVE-2026-76304 · Severity: medium · CVSS 4.3 · Published 2026-10-21

Splunk SOAR is a security orchestration and automation platform that manages security workflows and integrations. An authenticated user without proper permissions can download sensitive Automation Broker configuration files containing the SOAR instance URL, container image locations, and version information, exposing infrastructure details to unauthorized personnel.

Technologies: [Splunk SOAR](https://junglewise.ai/threats/technologies/soar). Vendors: [Splunk](https://junglewise.ai/threats/vendors/splunk).

## Quick answers

**Is CVE-2026-76304 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-76304 being exploited in the wild.

**How severe is CVE-2026-76304?** Medium severity, with a CVSS score of 4.3, published 21 October 2026.

**Which products and versions are affected?** Splunk SOAR below 8.7.0.

**Is there a fix for CVE-2026-76304?** Yes: fixed in 8.7.0. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-76304 attacked?** It is attacked over the network, in a hosted service.

**Am I affected by CVE-2026-76304?** Check whether you run Splunk SOAR at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- Fixed in 8.7.0

## Technical details

An authenticated user who lacks the Automation Broker edit permission can download the Docker Compose configuration file due to missing authorization checks before the file is returned. The exposed configuration includes the SOAR instance URL, container image location, and Automation Broker version. This is a missing access control vulnerability (CWE-862) affecting all versions below 8.7.0.

## Affected products

- Splunk SOAR below 8.7.0

## Timeline

- 2026-10-21: disclosed

## References

- [https://advisory.splunk.com/advisories/SVD-2026-1010](https://advisory.splunk.com/advisories/SVD-2026-1010)

## Related threats

- [Splunk SOAR files or directories accessible to external parties](https://junglewise.ai/threats/cve-2026-76531-as-part-of-cisco-s-ongoing-commitment-to-proactive-security-and)
- [Splunk SOAR authorization bypass via non-canonical URL paths](https://junglewise.ai/threats/cve-2026-76530-as-part-of-cisco-s-ongoing-commitment-to-proactive-security-and)
- [Splunk SOAR improper protection of alternate path](https://junglewise.ai/threats/cve-2026-76529-as-part-of-cisco-s-ongoing-commitment-to-proactive-security-and)
- [Splunk SOAR protection mechanism failure](https://junglewise.ai/threats/cve-2026-76528-as-part-of-cisco-s-ongoing-commitment-to-proactive-security-and)
- [Splunk SOAR improper handling of exceptional conditions](https://junglewise.ai/threats/cve-2026-76527-as-part-of-cisco-s-ongoing-commitment-to-proactive-security-and)