8.8 HighCWE-502
CVE-2026-20251
Splunk Enterprise vulnerability
SplunkSplunk Enterprise
Status
- Not in CISA KEV
Exploit probabilityEPSSchecked 22 Oct
32%probability of exploitation in the next 30 days
Higher than 98% of scored CVEs
SeverityCVSS
8.8High
Description NVD
In Splunk Enterprise versions below 10.2.4, 10.0.7, 9.4.12, and 9.3.13, Splunk Cloud Platform versions below 10.3.2512.12, 10.2.2510.14, 10.1.2507.22, and 9.3.2411.132, and Splunk Secure Gateway versions below 3.10.6, 3.9.20, and 3.8.67, a low-privileged user that does not hold the 'admin' or 'power' Splunk roles could perform a Remote Code Execution (RCE) through the Splunk Secure Gateway app.<br><br>The Remote Code Execution is possible because of unsafe deserialization of App Key Value Store (KV Store) data through the ‘jsonpickle’ Python library, which reconstructs arbitrary Python objects from specially crafted JavaScript Object Notation (JSON) without adequate validation.
Coverage 1 article · 1 outlet
- Check Point VPN under attack as Splunk issues urgent patchesSecurityOnline · first in our coverage · mentions it in passing