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CVE-2026-76276 is an information disclosure vulnerability in Splunk Enterprise affecting the 10.4, 10.2, and 10.0 release branches before versions 10.4.3, 10.2.7, and 10.0.10, respectively. Production JavaScript bundles for the Discover Splunk Observability Cloud app contain embedded source maps that include original application source code. Authenticated, low-privileged users without the admin or power roles can retrieve this code through Splunk Web. Splunk Enterprise 9.4.x is not affected.
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No public exploit code observed for this vulnerability.
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Source-code disclosure vulnerability in Splunk Enterprise accessible to a low-privileged user. CVSS 4.3. Affects all four listed Enterprise branches; fixed releases are 10.4.3, 10.2.7, 10.0.10, and 9.4.15.
An authenticated source-code disclosure vulnerability caused by embedded source maps in production JavaScript bundles for the Discover Splunk Observability Cloud app. Low-privileged users without the admin or power roles can retrieve original application source code through Splunk Web. The affected Splunk Enterprise release branches have fixed-version thresholds of 10.4.3, 10.2.7, and 10.0.10. Versions 9.4.x are explicitly unaffected.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
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