Medium [CVE-2026-76280] Incorrect Permission Assignment for App Key Value Store Collections in Splunk Secure Gateway
This medium-severity Splunk advisory covers CVE-2026-76280 affecting Splunk Enterprise, Splunk Secure Gateway.
Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.
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Summary
In Splunk Enterprise versions below 10.4.3, 10.2.7, 10.0.10, and 9.4.15, and Splunk Secure Gateway versions below 3.10.11, 3.9.25, and 3.8.72, an authenticated user who does not hold the "admin" or "sc_admin" Splunk roles could modify Splunk Secure Gateway alert and mobile-device recipient data in App Key Value Store (KV Store) collections that later alert and subscription workflows use.
The vulnerability is possible because the affected collections allow unrestricted write access instead of limiting writes to authorized Splunk Secure Gateway workflows. For more information see About the app key value store ( ), KV store endpoint descriptions ( ), and About configuring role-based user access ( ) in the Splunk documentation.
- Splunk Enterprise 10.4 before 10.4.3
- Splunk Enterprise 10.2 before 10.2.7
- Splunk Enterprise 10.0 before 10.0.10
- Splunk Enterprise 9.4 before 9.4.15
- Splunk Secure Gateway 3.10 before 3.10.11
- Splunk Secure Gateway 3.9 before 3.9.25
- Splunk Secure Gateway 3.8 before 3.8.72
Official advisory · high-confidence parse· fetched 1 day ago·verify at source
- 10.4.3
- 10.2.7
- 10.0.10
- 9.4.15
- 3.10.11
- 3.9.25
- 3.8.72
Official advisory · high-confidence parse· fetched 1 day ago·verify at source
Mitigation
Upgrade to a fixed release: 10.4.3, 10.2.7, 10.0.10, 9.4.15, 3.10.11, 3.9.25. That is the remediation for this advisory.
The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.
Official advisory · high-confidence parse· fetched 1 day ago·verify at source
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