CVE-2026-20296: The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request. in Splunk Splunk Enterprise
CVE-2026-20296 is a high-severity vulnerability in Splunk Enterprise and Splunk Cloud Platform versions prior to specified fixed releases. It allows an attacker to trick a user with the 'list_deployment_server' capability into executing arbitrary SPL searches as the splunk-system-user. This occurs because Deployment Server endpoints do not validate CSRF tokens on GET requests and improperly neutralize user input before embedding it into SPL searches.
AI Analysis
Technical Summary
This vulnerability affects Splunk Enterprise versions below 10.4.1, 10.2.5, 10.0.8, and 9.4.13, as well as Splunk Cloud Platform versions below 10.5.2605.0, 10.4.2604.7, 10.3.2512.16, 10.2.2510.18, and 10.1.2507.24. It arises from insufficient verification of whether a request was intentionally provided by the user, specifically due to missing CSRF token validation on GET requests to Deployment Server endpoints and improper input neutralization before inclusion in SPL searches. An attacker can leverage this to execute arbitrary SPL searches as the splunk-system-user via a user with the list_deployment_server capability, potentially accessing stored credentials and indexed data.
Potential Impact
Successful exploitation allows an attacker to perform arbitrary SPL searches as the splunk-system-user by tricking a privileged user, leading to unauthorized access to sensitive stored credentials and indexed data. The CVSS 3.1 base score is 8.3 (high), reflecting network attack vector, low attack complexity, no privileges required, user interaction required, and high confidentiality and integrity impact with low availability impact.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are provided in the available data. Until a patch is available, restrict roles with the list_deployment_server capability to trusted users only and monitor for suspicious activity involving SPL searches. Avoid clicking on untrusted links that could trigger GET requests to Deployment Server endpoints.
CVE-2026-20296: The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request. in Splunk Splunk Enterprise
Description
CVE-2026-20296 is a high-severity vulnerability in Splunk Enterprise and Splunk Cloud Platform versions prior to specified fixed releases. It allows an attacker to trick a user with the 'list_deployment_server' capability into executing arbitrary SPL searches as the splunk-system-user. This occurs because Deployment Server endpoints do not validate CSRF tokens on GET requests and improperly neutralize user input before embedding it into SPL searches.
CVSS v3.1
Score 8.3high
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects Splunk Enterprise versions below 10.4.1, 10.2.5, 10.0.8, and 9.4.13, as well as Splunk Cloud Platform versions below 10.5.2605.0, 10.4.2604.7, 10.3.2512.16, 10.2.2510.18, and 10.1.2507.24. It arises from insufficient verification of whether a request was intentionally provided by the user, specifically due to missing CSRF token validation on GET requests to Deployment Server endpoints and improper input neutralization before inclusion in SPL searches. An attacker can leverage this to execute arbitrary SPL searches as the splunk-system-user via a user with the list_deployment_server capability, potentially accessing stored credentials and indexed data.
Potential Impact
Successful exploitation allows an attacker to perform arbitrary SPL searches as the splunk-system-user by tricking a privileged user, leading to unauthorized access to sensitive stored credentials and indexed data. The CVSS 3.1 base score is 8.3 (high), reflecting network attack vector, low attack complexity, no privileges required, user interaction required, and high confidentiality and integrity impact with low availability impact.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are provided in the available data. Until a patch is available, restrict roles with the list_deployment_server capability to trusted users only and monitor for suspicious activity involving SPL searches. Avoid clicking on untrusted links that could trigger GET requests to Deployment Server endpoints.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- cisco
- Date Reserved
- 2025-10-08T11:59:15.407Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a57c45368715ace431fb294
Added to database: 07/15/2026, 17:33:07 UTC
Last enriched: 07/22/2026, 23:07:45 UTC
Last updated: 08/29/2026, 22:52:09 UTC
Views: 105
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