CVE-2026-76258
CVE-2026-76258: 1 tracked advisory record across Splunk. Compare vendor sources and published fix guidance.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
Splunk
1 advisory- Advisory severityMedium6.5
Medium [CVE-2026-76258] Use of Hard-coded Cryptographic Key through Companion App Registration in Splunk Secure Gateway
CVE-2026-76258Source published Source updated
In Splunk Enterprise versions below 10.4.2, 10.2.6, 10.0.9, and 9.4.14, and Splunk Secure Gateway versions below 3.10.10, 3.9.24, and 3.8.71, a user who does not hold the "admin" or "power" Splunk roles could register an arbitrary companion app and cause Splunk Secure Gateway to forward mobile user requests, including tokens that compromise all relevant data available to the affected mobile user, to an attacker-controlled Uniform Resource Locator (URL). The vulnerability is possible because a hard-coded cryptographic key in the Splunk Secure Gateway companion app registration handler allows for arbitrary callback URL registration without restriction. For more information see Define roles on the Splunk platform with capabilities ( ) in the Splunk documentation.
- Affected products in this advisory
- Splunk Enterprise
- Splunk Secure Gateway
- Source-reported affected versions
- Splunk Enterprise 10.4 before 10.4.2
- Splunk Enterprise 10.2 before 10.2.6
- Splunk Enterprise 10.0 before 10.0.9
- Splunk Enterprise 9.4 before 9.4.14
3 more entries in the full advisory.
- Source-reported fixed versions
- 10.4.2
- 10.2.6
- 10.0.9
- 9.4.14
3 more entries in the full advisory.
- Mitigation guidance
- No mitigation guidance extracted; consult the source.
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