CVE-2026-20253
Splunk Enterprise Missing Authentication for Critical Function Vulnerability
9.8
CVSS 3.1
96.9 %
EPSS (current)
2026-06-18
KEV addition
No
Ransomware
Timeline
Publication, first public exploit and KEV addition on a day axis.
Key facts
Vendor / product: Splunk / Enterprise
Published: 2026-06-10 · Due (CISA): 2026-06-21
CWE: CWE-306 · EU list: no
Exploit references (metadata only)
| Source | Reference | Title | Date |
|---|---|---|---|
| nuclei | http/cves/2026/CVE-2026-20253.yaml | Splunk Enterprise & Cloud Platform - Unrestricted File Upload | – |
References only — no downloads or instructions.