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CVE-2026-76288

7.5 high SSVC exploitation: none Published
NVD · CVE.org

In Splunk Enterprise versions below 10.4.4, 10.2.8, 10.0.11, and 9.4.16, an unauthenticated user could send a single crafted request to the Splunk Web JavaScript logger endpoint and cause Splunk Web to stop responding to requests. Splunk Web remains unavailable until Splunk Enterprise is restarted. The vulnerability is possible because Splunk Web does not limit request-header parsing before processing the request.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 7

  1. StatusAwaiting Analysis → PublishedNVD modified 2026-10-22 13:37
  2. StatusPublished → Awaiting AnalysisNVD modified 2026-10-22 16:57
  3. StatusReceived → PublishedNVD modified 2026-10-22 13:37
  4. StatusPublished → ReceivedNVD modified 2026-10-22 14:17
  5. StatusReceived → PublishedNVD modified 2026-10-21 22:51
  6. StatusPublished → ReceivedNVD modified 2026-10-21 23:17
  7. First seenCVSS 7.5 · splunkNVD modified 2026-10-21 22:51

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 1