[ CVE-2026-76267 · Published 7 Oct 2026 ]
Vulnerability in Splunk Enterprise
[ Description ]Official description
In Splunk Enterprise versions below 10.4.3, 10.2.7, and 10.0.10, a user that holds a role with the read_o11y_content capability could inject forged entries into the app log through the Representational State Transfer (REST) API. The vulnerability is possible because Splunk App for Splunk O11y Cloud does not neutralize user-supplied SignalFlow content before writing it to the app log. Splunk Enterprise versions 9.4.x are not affected.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.
[ Advisories ]Government CERT advisories
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NCSC-NLNCSC-2026-0412
Vulnerabilities fixed in Splunk Enterprise Translated from Dutch
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CERT-FRCERTFR-2026-AVI-1281
Multiple vulnerabilities in Splunk products Translated from French
Multiple vulnerabilities have been discovered in Splunk products. Some of them allow an attacker to cause remote arbitrary code execution, privilege escalation and a breach of data confidentiality.
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BSI CERT-BundWID-SEC-2026-3799
Splunk Enterprise: Multiple vulnerabilities Translated from German
[ References ]References
- advisory.splunk.com/advisories/SVD-2026-1001Vendor AdvisoryMitigation