Is CVE-2026-20203 actively exploited?

No active exploitation of CVE-2026-20203 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-20203 be exploited remotely?

Yes. CVE-2026-20203 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-20203?

CVE-2026-20203 has a CVSS score of 4.3 (MEDIUM).

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MEDIUM

CVE-2026-20203

CWE-284Published: April 15, 2026· Updated: Apr 17, 2026

4.3

CVSS v3.1

EPSS:0.03%probability of exploitation in 30 daysPercentile:7.7th

Official Description

In Splunk Enterprise versions below 10.2.2, 10.0.5, 9.4.10, and 9.3.11, and Splunk Cloud Platform versions below 10.4.2603.0, 10.3.2512.6, 10.2.2510.10, 10.1.2507.19, 10.0.2503.13, and 9.3.2411.127, a low-privileged user that does not hold the `admin` or `power` Splunk roles, has write permission on the app, and does not hold the high-privilege capability `accelerate_datamodel`, could turn on or off Data Model Acceleration due to improper access control.

NVD Source

Technical Analysis

CVE-2026-20203 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.