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CVE-2026-20296— SPL Command Safeguards Bypass through Cross-Site Request Forgery (CSRF) in Deployment Server in Splunk Enterprise

Quick assessment

Affected
Splunk Splunk Enterprise
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Splunk Splunk Enterprise是美国Splunk公司的日志分析系统。 Splunk Enterprise存在跨站请求伪造漏洞，该漏洞源于Splunk Web中的部署服务器端点未验证GET请求上的跨站请求伪造令牌，且调用者提供的输入未被正确清理即放入SPL搜索，可能导致攻击者诱使用户运行任意SPL搜索，从而访问存储的凭据和索引数据。以下版本受到影响：10.4.1之前版本、10.2.5之前版本、10.0.8之前版本、9.4.13之前版本、10.5.2605.0之前版本、10.4.2604.7

CVSS 8.3 · High EPSS 0.18% · P7

Affected Version Matrix 9

VendorProduct Version RangeStatus
Splunk Splunk Cloud Platform 10.5.2605< 10.5.2605.0 affected
10.4.2604< 10.4.2604.7 affected
10.3.2512< 10.3.2512.16 affected
10.2.2510< 10.2.2510.18 affected
10.1.2507< 10.1.2507.24 affected
Splunk Splunk Enterprise 10.4< 10.4.1 affected
10.2< 10.2.5 affected
10.0< 10.0.8 affected
9.4< 9.4.13 affected
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I. Basic Information for CVE-2026-20296

Vulnerability Information
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Vulnerability Title
SPL Command Safeguards Bypass through Cross-Site Request Forgery (CSRF) in Deployment Server in Splunk Enterprise
Source: CVE Program / CVE List V5
Vulnerability Description
In Splunk Enterprise versions below 10.4.1, 10.2.5, 10.0.8, and 9.4.13, and 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, an attacker could trick a user that holds a role with the `list_deployment_server` capability into running arbitrary Search Processing Language (SPL) searches on their behalf as `splunk-system-user`, allowing for access to stored credentials and indexed data.<br><br>The vulnerability is possible because Deployment Server endpoints in Splunk Web do not validate Cross-Site Request Forgery (CSRF) tokens on GET requests, and caller-supplied input is not correctly neutralized before it is placed into an SPL search.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
跨站请求伪造(CSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
Splunk Enterprise 跨站请求伪造漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Splunk Splunk Enterprise是美国Splunk公司的日志分析系统。 Splunk Enterprise存在跨站请求伪造漏洞，该漏洞源于Splunk Web中的部署服务器端点未验证GET请求上的跨站请求伪造令牌，且调用者提供的输入未被正确清理即放入SPL搜索，可能导致攻击者诱使用户运行任意SPL搜索，从而访问存储的凭据和索引数据。以下版本受到影响：10.4.1之前版本、10.2.5之前版本、10.0.8之前版本、9.4.13之前版本、10.5.2605.0之前版本、10.4.2604.7
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Splunk Splunk Enterprise 10.4 ~ 10.4.1 -
Splunk Splunk Cloud Platform 10.5.2605 ~ 10.5.2605.0 -

II. Public POCs for CVE-2026-20296

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III. Intelligence Information for CVE-2026-20296

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Vendor Advisories for CVE-2026-20296 (1)

Same Patch Batch · Splunk · 2026-07-15 · 3 CVEs total

CVE-2026-20297 7.2 HIGH Path Traversal through 'explicit_appname' in the App Install REST Endpoint in Splunk Enter
CVE-2026-20298 5.3 MEDIUM Sensitive Information Disclosure through the storage/passwords REST Endpoint in Splunk Ent

IV. Related Vulnerabilities

Same product: Splunk Enterprise
Same vendor: Splunk
Same weakness: CWE-352

V. Comments for CVE-2026-20296

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