Improper Access Control in Data Model Acceleration in Splunk Enterprise
Priority LOW 19CWE-284Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-284.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00152 4th percentileScored 2026-11-07
Fix Fixed Splunk Enterprise (Splunk): 10.2.2, 10.0.5, 9.4.10 +1Splunk Cloud Platform (Splunk): Not Affected, 10.3.2512.6, 10.2.2510.10 +3
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Splunk | Splunk Enterprise | 10.2 to before 10.2.2; 10.0 to before 10.0.5; 9.4 to before 9.4.10; 9.3 to before 9.3.11 | 10.2.2, 10.0.5, 9.4.10, 9.3.11 | Patch available | CNA |
| Splunk | Splunk Cloud Platform | 10.4.2603 to before Not Affected; 10.3.2512 to before 10.3.2512.6; 10.2.2510 to before 10.2.2510.10; 10.1.2507 to before 10.1.2507.19; 10.0.2503 to before 10.0.2503.13; 9.3.2411 to before 9.3.2411.127 | Not Affected, 10.3.2512.6, 10.2.2510.10, 10.1.2507.19, 10.0.2503.13, 9.3.2411.127 | Patch available | CNA |
- Splunk Enterprise VendorSplunk Affected 10.2 to before 10.2.2; 10.0 to before 10.0.5; 9.4 to before 9.4.10; 9.3 to before 9.3.11 Fixed in 10.2.2, 10.0.5, 9.4.10, 9.3.11 Patch available CNA
- Splunk Cloud Platform VendorSplunk Affected 10.4.2603 to before Not Affected; 10.3.2512 to before 10.3.2512.6; 10.2.2510 to before 10.2.2510.10; 10.1.2507 to before 10.1.2507.19; 10.0.2503 to before 10.0.2503.13; 9.3.2411 to before 9.3.2411.127 Fixed in Not Affected, 10.3.2512.6, 10.2.2510.10, 10.1.2507.19, 10.0.2503.13, 9.3.2411.127 Patch available CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:* | 9.3.0 to before 9.3.11; 9.4.0 to before 9.4.10; 10.0.0 to before 10.0.5; 10.2.0 to before 10.2.2 | Vulnerable | Splunk |
| cpe:2.3:a:splunk:splunk_cloud_platform:*:*:*:*:*:*:*:* | 9.3.2411 to before 9.3.2411.127; 10.0.2503 to before 10.0.2503.13; 10.1.2507 to before 10.1.2507.19; 10.2.2510 to before 10.2.2510.10; 10.3.2512 to before 10.3.2512.6 | Vulnerable | Splunk |
- cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:* Versions 9.3.0 to before 9.3.11; 9.4.0 to before 9.4.10; 10.0.0 to before 10.0.5; 10.2.0 to before 10.2.2 Vulnerable ·Splunk
- cpe:2.3:a:splunk:splunk_cloud_platform:*:*:*:*:*:*:*:* Versions 9.3.2411 to before 9.3.2411.127; 10.0.2503 to before 10.0.2503.13; 10.1.2507 to before 10.1.2507.19; 10.2.2510 to before 10.2.2510.10; 10.3.2512 to before 10.3.2512.6 Vulnerable ·Splunk
Remediation
- Fix · CNA Splunk Enterprise (Splunk) Fixed in 10.2.2, 10.0.5, 9.4.10, 9.3.11
- Fix · CNA Splunk Cloud Platform (Splunk) Fixed in Not Affected, 10.3.2512.6, 10.2.2510.10, 10.1.2507.19, 10.0.2503.13, 9.3.2411.127
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Splunk Enterprise 10.0.5, 10.2.2 and 2 more versions
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2026-16404 Improper Input Validation during User Account Creation in Splunk EnterprisePriority LOW 31
Timeline
- 2026-10-02 Threatist record created from CVE-2026-20203
- 2026-10-03 Alias added: GHSA-gpm4-vrgj-h7qc
References
More Splunk vulnerabilities
- TI-2026-16444 Unauthenticated Arbitrary File Creation and Truncation in a PostgreSQL Sidecar Service Endpoint in Splunk Enterprise KEVCVSS 3.1CRITICAL 9.8
- TI-2014-00154 The (1) TLS and (2) DTLS implementations in OpenSSL 1.0.1 before 1.0.1g do not properly… KEVCVSS 3.1HIGH 7.5
- TI-2023-24841 Remote code execution (RCE) in Splunk Enterprise through Insecure XML Parsing CVSS 3.1HIGH 8.8
- TI-2023-15979 ‘edit_user’ Capability Privilege Escalation CVSS 3.1HIGH 8.8
- TI-2024-30707 Remote Code Execution (RCE) due to insecure session storage configuration in Splunk Enterprise on Windows CVSS 3.1HIGH 8.8
- TI-2022-21345 Reflected Cross-Site Scripting via the radio template in Splunk Enterprise CVSS 3.1HIGH 8.8
Sources
- CVE-2026-20203 · CVE Program
- CVE-2026-20203 · NVD
- FIRST EPSS
- GHSA-gpm4-vrgj-h7qc · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences