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CVE-2026-76270— Structured Query Language (SQL) Injection in the SPL2 Module Catalog 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.

在 Splunk Enterprise 10.4.3 以下版本中，拥有具备 能力的角色的用户，可以通过在 SPL2 模块过滤功能中使用 SQL 注入，访问受影响的表示状态传输（REST）API 所能提供的所有相关数据，包括其他用户的私有 SPL2 模块定义。该漏洞之所以存在，是因为 Splunk Enterprise 和 Splunk Cloud Platform 在将用户提供的值用于 SPL2 模块过滤的数据库查询之前，未对这些值进行参数化处理。 更多详细信息，请参阅 Splunk 文档中的“管理 SPL2 模块

CVSS 6.5 · Medium
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I. Basic Information for CVE-2026-76270

Vulnerability Information
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Vulnerability Title
Structured Query Language (SQL) Injection in the SPL2 Module Catalog in Splunk Enterprise
Source: CVE Program / CVE List V5
Vulnerability Description
In Splunk Enterprise versions below 10.4.3, a user that holds a role with the list_spl2_modules capability could use SQL injection in SPL2 module filtering to access all relevant data available through the affected Representational State Transfer (REST) API, including private SPL2 module definitions belonging to other users. The vulnerability is possible because Splunk Enterprise and Splunk Cloud Platform do not parameterize user-supplied values before using them in database queries for SPL2 module filtering. For more information see Manage SPL2 modules (https://help.splunk.com/en/splunk-enterprise/search/spl2-search-manual/multiple-searches-in-an-spl2-module/manage-spl2-modules) and Module permissions (https://help.splunk.com/en/splunk-enterprise/search/spl2-search-manual/modules-statements-and-views/module-permissions) in the Splunk documentation. Splunk Enterprise versions 10.2.x, 10.0.x, and 9.4.x are not affected.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Splunk Splunk Enterprise 10.4 ~ 10.4.3 -

II. Public POCs for CVE-2026-76270

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III. Intelligence Information for CVE-2026-76270

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Other References for CVE-2026-76270 (1)

Same Patch Batch · Splunk · 2026-10-07 · 23 CVEs total

CVE-2026-76268 9.8 CRITICAL Missing Authentication for Critical Function in the Patroni REST API in Splunk Enterprise
CVE-2026-76266 7.7 HIGH Local Privilege Escalation through Linux Package Upgrades in Splunk Enterprise
CVE-2026-76265 6.5 MEDIUM Improper Access Control through REST API Endpoints in Splunk Secure Gateway
CVE-2026-76274 6.5 MEDIUM Server-Side Request Forgery (SSRF) through the REST API in Splunk App for Splunk Observabi
CVE-2026-76269 6.5 MEDIUM Improper Access Control in Search Job Retrieval through the REST API in Splunk Enterprise
CVE-2026-76271 6.5 MEDIUM Denial of Service (DoS) in the Discover Splunk Observability Cloud app for Splunk Enterpri
CVE-2026-76280 6.3 MEDIUM Incorrect Permission Assignment for App Key Value Store Collections in Splunk Secure Gatew
CVE-2026-76286 5.3 MEDIUM Server-Side Request Forgery (SSRF) through Custom API Tools in Splunk MCP Server
CVE-2026-76278 4.3 MEDIUM Authorization Bypass in SPL2 Module Permissions in Splunk Enterprise
CVE-2026-76272 4.3 MEDIUM Missing Access Control through the REST API in Splunk Secure Gateway
CVE-2026-76267 4.3 MEDIUM Log Injection through the REST API in Splunk App for Splunk O11y Cloud
CVE-2026-76264 4.3 MEDIUM Improper Authorization through the REST API in Splunk Enterprise
CVE-2026-76276 4.3 MEDIUM Information Disclosure in the Discover Splunk Observability Cloud app through Splunk Web f
CVE-2026-76275 4.3 MEDIUM Improper Authorization in Search Job Listings through the REST API in Splunk Enterprise
CVE-2026-76273 4.3 MEDIUM Improper Input Validation through the collect Command in Splunk Enterprise
CVE-2026-76279 4.3 MEDIUM Improper Input Validation of Index Names through the collect Command in Splunk Enterprise
CVE-2026-76277 4.1 MEDIUM Improper Input Validation of Native Splunk Usernames through the REST API in Splunk Enterp
CVE-2026-76281 Improper Access Control in Splunk Enterprise
CVE-2026-76284 Improper Neutralization in Splunk Enterprise
CVE-2026-76283 Protection Mechanism Failure in Splunk Enterprise

Showing top 20 of 23 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Splunk Enterprise
Same vendor: Splunk
Same weakness: CWE-89

V. Comments for CVE-2026-76270

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