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Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-76288

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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.005
EPSS Ranking 40.8%
CVSS Severity
CVSS v3 Score 7.5
Products affected by CVE-2026-76288
  • Splunk » Splunk » Version: 10.0.0
    cpe:2.3:a:splunk:splunk:10.0.0
  • Splunk » Splunk » Version: 10.0.1
    cpe:2.3:a:splunk:splunk:10.0.1
  • Splunk » Splunk » Version: 10.0.10
    cpe:2.3:a:splunk:splunk:10.0.10
  • Splunk » Splunk » Version: 10.0.2
    cpe:2.3:a:splunk:splunk:10.0.2
  • Splunk » Splunk » Version: 10.0.3
    cpe:2.3:a:splunk:splunk:10.0.3
  • Splunk » Splunk » Version: 10.0.4
    cpe:2.3:a:splunk:splunk:10.0.4
  • Splunk » Splunk » Version: 10.0.5
    cpe:2.3:a:splunk:splunk:10.0.5
  • Splunk » Splunk » Version: 10.0.6
    cpe:2.3:a:splunk:splunk:10.0.6
  • Splunk » Splunk » Version: 10.0.7
    cpe:2.3:a:splunk:splunk:10.0.7
  • Splunk » Splunk » Version: 10.0.8
    cpe:2.3:a:splunk:splunk:10.0.8
  • Splunk » Splunk » Version: 10.0.9
    cpe:2.3:a:splunk:splunk:10.0.9
  • Splunk » Splunk » Version: 10.2.0
    cpe:2.3:a:splunk:splunk:10.2.0
  • Splunk » Splunk » Version: 10.2.1
    cpe:2.3:a:splunk:splunk:10.2.1
  • Splunk » Splunk » Version: 10.2.2
    cpe:2.3:a:splunk:splunk:10.2.2
  • Splunk » Splunk » Version: 10.2.3
    cpe:2.3:a:splunk:splunk:10.2.3
  • Splunk » Splunk » Version: 10.2.4
    cpe:2.3:a:splunk:splunk:10.2.4
  • Splunk » Splunk » Version: 10.2.5
    cpe:2.3:a:splunk:splunk:10.2.5
  • Splunk » Splunk » Version: 10.2.6
    cpe:2.3:a:splunk:splunk:10.2.6
  • Splunk » Splunk » Version: 10.2.7
    cpe:2.3:a:splunk:splunk:10.2.7
  • Splunk » Splunk » Version: 10.4.0
    cpe:2.3:a:splunk:splunk:10.4.0
  • Splunk » Splunk » Version: 10.4.1
    cpe:2.3:a:splunk:splunk:10.4.1
  • Splunk » Splunk » Version: 10.4.2
    cpe:2.3:a:splunk:splunk:10.4.2
  • Splunk » Splunk » Version: 10.4.3
    cpe:2.3:a:splunk:splunk:10.4.3
  • Splunk » Splunk » Version: 9.4.0
    cpe:2.3:a:splunk:splunk:9.4.0
  • Splunk » Splunk » Version: 9.4.1
    cpe:2.3:a:splunk:splunk:9.4.1
  • Splunk » Splunk » Version: 9.4.10
    cpe:2.3:a:splunk:splunk:9.4.10
  • Splunk » Splunk » Version: 9.4.11
    cpe:2.3:a:splunk:splunk:9.4.11
  • Splunk » Splunk » Version: 9.4.12
    cpe:2.3:a:splunk:splunk:9.4.12
  • Splunk » Splunk » Version: 9.4.13
    cpe:2.3:a:splunk:splunk:9.4.13
  • Splunk » Splunk » Version: 9.4.14
    cpe:2.3:a:splunk:splunk:9.4.14
  • Splunk » Splunk » Version: 9.4.15
    cpe:2.3:a:splunk:splunk:9.4.15
  • Splunk » Splunk » Version: 9.4.2
    cpe:2.3:a:splunk:splunk:9.4.2
  • Splunk » Splunk » Version: 9.4.3
    cpe:2.3:a:splunk:splunk:9.4.3
  • Splunk » Splunk » Version: 9.4.4
    cpe:2.3:a:splunk:splunk:9.4.4
  • Splunk » Splunk » Version: 9.4.5
    cpe:2.3:a:splunk:splunk:9.4.5
  • Splunk » Splunk » Version: 9.4.6
    cpe:2.3:a:splunk:splunk:9.4.6
  • Splunk » Splunk » Version: 9.4.7
    cpe:2.3:a:splunk:splunk:9.4.7
  • Splunk » Splunk » Version: 9.4.8
    cpe:2.3:a:splunk:splunk:9.4.8
  • Splunk » Splunk » Version: 9.4.9
    cpe:2.3:a:splunk:splunk:9.4.9


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