CVE-2026-20253Vulnerability
Splunk Enterprise Missing Authentication for Critical Function Vulnerability
Exploited in the wildCISA added it to its Known Exploited Vulnerabilities list on .
Reported by 4 independent sources · first reported by watchTowr Labs · last reported
Last reported 10 days ago
CISA KEVAdded 18 Jun 2026
Fix due 21 Jun 2026
Used by ransomware: not knownCISA KEV catalogue
Fix due 21 Jun 2026
Used by ransomware: not knownCISA KEV catalogue
EPSS96.9%
higher than 99% of CVEsFIRST EPSS, as of 21 Oct 2026
higher than 99% of CVEsFIRST EPSS, as of 21 Oct 2026
What the reports say
4 reports, newest first · the exact sentence from each-
Top RCE Vulnerabilities“CVE-2026-20253”
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June 2026 CVE Landscape“CVE-2026-20253”
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Critical Unauthenticated Remote Code Execution in Splunk Enterprise (CVE-2026-20253)“Critical Unauthenticated Remote Code Execution in Splunk Enterprise (CVE-2026-20253)”
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Why Use App-Level Auth When Every Database Has Auth? (Splunk Enterprise CVE-2026-20253 Pre-Auth RCE)“(Splunk Enterprise CVE-2026-20253 Pre-Auth RCE)”
Indicators reported together
named in the same reportsAlso named with it: CVE-2026-60004, CVE-2026-33824, CVE-2026-25089, CVE-2026-39808, CVE-2026-11645, CVE-2026-28318, CVE-2026-20230, CVE-2026-35616, CVE-2026-33825, CVE-2025-55182, CVE-2026-21509, CVE-2025-8088, CVE-2025-6218, CVE-2026-35273, CVE-2021-27137, CVE-2026-46817, CVE-2026-48907, CVE-2026-12569, CVE-2022-27925, CVE-2023-46747
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