splunk secure gateway vulnerabilities and fixes

Recent CVEs affecting splunk secure gateway, with upgrade or downgrade steps. 4 tracked.

Also searched as: splunksecuregateway.

splunk secure gateway has 4 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 4. Most recent: 2026-08-19. Highest priority: CVE-2026-76257 (score 30/100).

• CVE-2026-76257 MEDIUM 6.5 UPGRADE UPGRADE In Splunk Enterprise versions below 10.4.2, 10.2.6, 10.0.9, and 9.4.14, and Splunk Secure Gateway versions bel
• CVE-2026-76258 MEDIUM 6.5 UPGRADE UPGRADE In Splunk Enterprise versions below 10.4.2, 10.2.6, 10.0.9, and 9.4.14, and Splunk Secure Gateway versions bel
• CVE-2026-76261 MEDIUM 5.3 UPGRADE UPGRADE In Splunk Enterprise versions below 10.4.2, 10.2.6, 10.0.9, and 9.4.14, and Splunk Secure Gateway versions bel
• CVE-2026-76256 MEDIUM 4.3 UPGRADE UPGRADE In Splunk Enterprise versions below 10.4.2, 10.2.6, 10.0.9, and 9.4.14, and Splunk Secure Gateway versions bel

FAQ

How do I fix splunk secure gateway vulnerabilities?

Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.

Is splunk secure gateway being exploited right now?

None of the tracked splunk secure gateway CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which splunk secure gateway CVE should I patch first?

CVE-2026-76257 currently ranks highest (30/100): In Splunk Enterprise versions below 10.4.2, 10.2.6, 10.0.9, and 9.4.14, and Splunk Secure Gateway versions bel.

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