CVE-2026-20252— Server-Side Request Forgery (SSRF) through Dashboard Studio PDF Export in Splunk Enterprise
Possible ATT&CK Techniques 1AI
T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 9
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Splunk | Splunk Cloud Platform | 10.4.2604< 10.4.2604.3 | affected |
10.3.2512< 10.3.2512.12 | affected | ||
10.2.2510< 10.2.2510.14 | affected | ||
10.1.2507< 10.1.2507.22 | affected | ||
9.3.2411< 9.3.2411.132 | affected | ||
| Splunk | Splunk Enterprise | 10.2< 10.2.4 | affected |
10.0< 10.0.7 | affected | ||
9.4< 9.4.12 | affected | ||
9.3< 9.3.13 | affected |
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I. Basic Information for CVE-2026-20252
Vulnerability Information
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Vulnerability Title
Server-Side Request Forgery (SSRF) through Dashboard Studio PDF Export in Splunk Enterprise
Source: NVD (National Vulnerability Database)
Vulnerability Description
In Splunk Enterprise versions below 10.2.4, 10.0.7, 9.4.12, and 9.3.13, and Splunk Cloud Platform versions below 10.4.2604.3, 10.3.2512.12, 10.2.2510.14, 10.1.2507.22, and 9.3.2411.132, a low-privileged user that does not hold the "admin" or "power" Splunk roles could send server-side requests to arbitrary internal destinations through the Dashboard Studio PDF export feature. The vulnerability exists because the trusted-domain validation uses a prefix match that can be bypassed with attacker-controlled subdomains (for example, docs.splunk.com.evil.com), and because the PDF export service follows HTTP redirects automatically without re-validating each redirect target against the allowlist.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
服务端请求伪造(SSRF)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Splunk Cloud Platform和Splunk Enterprise 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Splunk Cloud Platform和Splunk Enterprise都是美国Splunk公司的产品。Splunk Cloud Platform是一个强大的数据收集、处理和分析服务。Splunk Enterprise是一套数据收集分析软件。 Splunk Cloud Platform和Splunk Enterprise存在代码问题漏洞，该漏洞源于受信任域验证使用前缀匹配且PDF导出服务自动跟随HTTP重定向，可能导致低权限用户通过Dashboard Studio PDF导出功能向任意内部目标发送服
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 | 10.2 ~ 10.2.4 | - | |
| Splunk | Splunk Cloud Platform | 10.4.2604 ~ 10.4.2604.3 | - |
II. Public POCs for CVE-2026-20252
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-20252 (1)
Same Patch Batch · Splunk · 2026-06-10 · 10 CVEs total
| CVE-2026-20253 | 9.8 CRITICAL | Unauthenticated Arbitrary File Creation and Truncation in a PostgreSQL Sidecar Service End |
| CVE-2026-20251 | 8.8 HIGH | Remote Code Execution through Deserialization of Untrusted Data in Splunk Secure Gateway |
| CVE-2026-20258 | 7.1 HIGH | Stored Cross-Site Scripting (XSS) through Classic Dashboard in Splunk Enterprise |
| CVE-2026-20254 | 5.7 MEDIUM | Information Disclosure through External Content Restriction Bypass in Splunk Enterprise |
| CVE-2026-20257 | 5.7 MEDIUM | Improper Input Validation through Classic Dashboard CSS in Splunk Enterprise |
| CVE-2026-20255 | 5.7 MEDIUM | Improper Input Validation through Classic Dashboards in Splunk Enterprise |
| CVE-2026-20256 | 5.7 MEDIUM | Improper Input Validation through Protocol-Relative URL in Classic Dashboards in Splunk En |
| CVE-2026-20259 | 5.5 MEDIUM | Improper Access Control in Splunk Enterprise |
| CVE-2026-20260 | 4.3 MEDIUM | Log Injection through HTTP Request Paths in Splunk SOAR |
IV. Related Vulnerabilities
Same product: Splunk Enterprise
- CVE-2026-20258
Stored Cross-Site Scripting (XSS) through Classic Dashboard - CVE-2026-20253
Unauthenticated Arbitrary File Creation and Truncation in a - CVE-2026-20257
Improper Input Validation through Classic Dashboard CSS in S - CVE-2026-20259
Improper Access Control in Splunk Enterprise - CVE-2026-20255
Improper Input Validation through Classic Dashboards in Splu
Same vendor: Splunk
- CVE-2026-20266
OS Command Injection in the btool Configuration Helper in Sp - CVE-2026-20265
Insecure Default Domain Allowlist in Splunk AI Toolkit - CVE-2026-20258
Stored Cross-Site Scripting (XSS) through Classic Dashboard - CVE-2026-20253
Unauthenticated Arbitrary File Creation and Truncation in a - CVE-2026-20260
Log Injection through HTTP Request Paths in Splunk SOAR
Same weakness: CWE-918
- CVE-2026-49345
Mercator CVE Configuration Vulnerable to Server-Side Request - CVE-2026-12726
Awx: automation-controller: awx: github webhook second-order - CVE-2026-49359
PhpWeasyPrint vulnerable to SSRF and local file disclosure v - CVE-2026-11989
Bit integrations <= 2.8.7 - Unauthenticated Server-Side Requ - CVE-2026-4328
Advanced Import: One-Click Demo Import for WordPress <= 1.4.
V. Comments for CVE-2026-20252
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