# Splunk Secure Gateway vulnerabilities

Source: https://junglewise.ai/threats/technologies/secure-gateway  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/secure-gateway.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 10 vulnerabilities in Splunk Secure Gateway: 0 in the last 7 days and 9 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-76295, was published on 21 October 2026. 2 vulnerabilities in the last four weeks, up from none in the four before.

## Counts

- Last 7 days: 0
- Last 30 days: 2
- Last 90 days: 9
- All time: 10 (0 critical, 0 exploited in the wild)

## About Splunk Secure Gateway

Splunk Secure Gateway is a proxy component for secure communication in Splunk deployments.

## Latest Splunk Secure Gateway vulnerabilities

- [CVE-2026-76295: Splunk Enterprise SPL injection in REST API through Secure Gateway](https://junglewise.ai/threats/cve-2026-76295-in-splunk-enterprise-versions-below-10-4-4-10-2-8-10-0-11-and-9-4) (medium, CVSS 4.3, published 21 Oct 2026)
- [CVE-2026-76292: Splunk Enterprise missing authorization through REST API endpoints](https://junglewise.ai/threats/cve-2026-76292-in-splunk-enterprise-versions-below-10-4-4-10-2-8-10-0-11-and-9-4) (medium, CVSS 6.5, published 21 Oct 2026)
- [CVE-2026-76351: Splunk Enterprise privilege escalation via report notification data](https://junglewise.ai/threats/cve-2026-76351-splunk-enterprise-privilege-escalation-via-report-notification) (high, CVSS 8.8, published 19 Aug 2026)
- [CVE-2026-76347: Splunk Enterprise SSRF in report notifications](https://junglewise.ai/threats/cve-2026-76347-splunk-enterprise-ssrf-in-report-notifications) (medium, CVSS 5.4, published 19 Aug 2026)
- [CVE-2026-76327: In Splunk Enterprise versions below 10.4.2, 10.2.6, 10.0.9, and 9.4.14, and Splunk Secure Gateway versions below…](https://junglewise.ai/threats/cve-2026-76327-in-splunk-enterprise-versions-below-10-4-2-10-2-6-10-0-9-and-9-4) (medium, CVSS 6.4, published 19 Aug 2026)
- [CVE-2026-76261: In Splunk Enterprise versions below 10.4.2, 10.2.6, 10.0.9, and 9.4.14, and Splunk Secure Gateway versions below…](https://junglewise.ai/threats/cve-2026-76261-in-splunk-enterprise-versions-below-10-4-2-10-2-6-10-0-9-and-9-4) (medium, CVSS 5.3, published 19 Aug 2026)
- [CVE-2026-76258: In Splunk Enterprise versions below 10.4.2, 10.2.6, 10.0.9, and 9.4.14, and Splunk Secure Gateway versions below…](https://junglewise.ai/threats/cve-2026-76258-in-splunk-enterprise-versions-below-10-4-2-10-2-6-10-0-9-and-9-4) (medium, CVSS 6.5, published 19 Aug 2026)
- [CVE-2026-76257: In Splunk Enterprise versions below 10.4.2, 10.2.6, 10.0.9, and 9.4.14, and Splunk Secure Gateway versions below…](https://junglewise.ai/threats/cve-2026-76257-in-splunk-enterprise-versions-below-10-4-2-10-2-6-10-0-9-and-9-4) (medium, CVSS 6.5, published 19 Aug 2026)
- [CVE-2026-76256: In Splunk Enterprise versions below 10.4.2, 10.2.6, 10.0.9, and 9.4.14, and Splunk Secure Gateway versions below…](https://junglewise.ai/threats/cve-2026-76256-in-splunk-enterprise-versions-below-10-4-2-10-2-6-10-0-9-and-9-4) (medium, CVSS 4.3, published 19 Aug 2026)
- [CVE-2026-20251: Splunk Secure Gateway unsafe deserialization remote code execution](https://junglewise.ai/threats/cve-2026-20251-splunk-secure-gateway-unsafe-deserialization-remote-code) (high, CVSS 8.8, published 10 Jun 2026)

## Most severe Splunk Secure Gateway vulnerabilities

- [CVE-2026-76351: Splunk Enterprise privilege escalation via report notification data](https://junglewise.ai/threats/cve-2026-76351-splunk-enterprise-privilege-escalation-via-report-notification) (high, CVSS 8.8, published 19 Aug 2026)
- [CVE-2026-20251: Splunk Secure Gateway unsafe deserialization remote code execution](https://junglewise.ai/threats/cve-2026-20251-splunk-secure-gateway-unsafe-deserialization-remote-code) (high, CVSS 8.8, published 10 Jun 2026)
- [CVE-2026-76258: In Splunk Enterprise versions below 10.4.2, 10.2.6, 10.0.9, and 9.4.14, and Splunk Secure Gateway versions below…](https://junglewise.ai/threats/cve-2026-76258-in-splunk-enterprise-versions-below-10-4-2-10-2-6-10-0-9-and-9-4) (medium, CVSS 6.5, published 19 Aug 2026)
- [CVE-2026-76257: In Splunk Enterprise versions below 10.4.2, 10.2.6, 10.0.9, and 9.4.14, and Splunk Secure Gateway versions below…](https://junglewise.ai/threats/cve-2026-76257-in-splunk-enterprise-versions-below-10-4-2-10-2-6-10-0-9-and-9-4) (medium, CVSS 6.5, published 19 Aug 2026)
- [CVE-2026-76292: Splunk Enterprise missing authorization through REST API endpoints](https://junglewise.ai/threats/cve-2026-76292-in-splunk-enterprise-versions-below-10-4-4-10-2-8-10-0-11-and-9-4) (medium, CVSS 6.5, published 21 Oct 2026)
- [CVE-2026-76327: In Splunk Enterprise versions below 10.4.2, 10.2.6, 10.0.9, and 9.4.14, and Splunk Secure Gateway versions below…](https://junglewise.ai/threats/cve-2026-76327-in-splunk-enterprise-versions-below-10-4-2-10-2-6-10-0-9-and-9-4) (medium, CVSS 6.4, published 19 Aug 2026)
- [CVE-2026-76347: Splunk Enterprise SSRF in report notifications](https://junglewise.ai/threats/cve-2026-76347-splunk-enterprise-ssrf-in-report-notifications) (medium, CVSS 5.4, published 19 Aug 2026)
- [CVE-2026-76261: In Splunk Enterprise versions below 10.4.2, 10.2.6, 10.0.9, and 9.4.14, and Splunk Secure Gateway versions below…](https://junglewise.ai/threats/cve-2026-76261-in-splunk-enterprise-versions-below-10-4-2-10-2-6-10-0-9-and-9-4) (medium, CVSS 5.3, published 19 Aug 2026)
- [CVE-2026-76256: In Splunk Enterprise versions below 10.4.2, 10.2.6, 10.0.9, and 9.4.14, and Splunk Secure Gateway versions below…](https://junglewise.ai/threats/cve-2026-76256-in-splunk-enterprise-versions-below-10-4-2-10-2-6-10-0-9-and-9-4) (medium, CVSS 4.3, published 19 Aug 2026)
- [CVE-2026-76295: Splunk Enterprise SPL injection in REST API through Secure Gateway](https://junglewise.ai/threats/cve-2026-76295-in-splunk-enterprise-versions-below-10-4-4-10-2-8-10-0-11-and-9-4) (medium, CVSS 4.3, published 21 Oct 2026)

## Vulnerabilities per week

2 vulnerabilities in the last four weeks, up from none in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 7 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 2 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other Splunk technologies

- [Splunk Enterprise](https://junglewise.ai/threats/technologies/splunk-enterprise): 32 vulnerabilities
- [Splunk SOAR](https://junglewise.ai/threats/technologies/soar): 31 vulnerabilities
- [Splunk](https://junglewise.ai/threats/technologies/splunk): 20 vulnerabilities
- [Splunk Cloud Platform](https://junglewise.ai/threats/technologies/cloud-platform): 19 vulnerabilities
- [Splunk AI Toolkit](https://junglewise.ai/threats/technologies/ai-toolkit): 12 vulnerabilities
- [Splunk Connect For Kafka](https://junglewise.ai/threats/technologies/connect-for-kafka): 4 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Splunk Secure Gateway vulnerabilities", https://junglewise.ai/threats/technologies/secure-gateway, 9 November 2026.
