CVE-2026-20251

EUVD-2026-36082
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
ciscoCNA
8.8 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
splunksplunk
10.2 ≤
𝑥
< 10.2.4
CNA
splunksplunk
10.0 ≤
𝑥
< 10.0.7
CNA
splunksplunk
9.4 ≤
𝑥
< 9.4.12
CNA
splunksplunk
9.3 ≤
𝑥
< 9.3.13
CNA
splunksplunk
10.3.2512 ≤
𝑥
< 10.3.2512.12
CNA
splunksplunk
10.2.2510 ≤
𝑥
< 10.2.2510.14
CNA
splunksplunk
10.1.2507 ≤
𝑥
< 10.1.2507.22
CNA
splunksplunk
9.3.2411 ≤
𝑥
< 9.3.2411.132
CNA
splunksplunk
3.10 ≤
𝑥
< 3.10.6
CNA
splunksplunk
3.9 ≤
𝑥
< 3.9.20
CNA
splunksplunk
3.8 ≤
𝑥
< 3.8.67
CNA