CVE-2026-76264— Improper Authorization through the REST API 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 10.4.2、10.2.6、10.0.10 和 9.4.15 以下版本中，不具备“admin”（管理员）或“power”（高级用户）Splunk 角色的用户，可以通过原始配置端点创建或编辑脚本化查找（scripted lookup）定义。该漏洞存在的原因是：原始 transform 配置写入路径在保存脚本化查找设置前，未对外部查找能力进行权限检查。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-76264
Vulnerability Information
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Vulnerability Title
Improper Authorization through the REST API in Splunk Enterprise
Source: CVE Program / CVE List V5
Vulnerability Description
In Splunk Enterprise versions below 10.4.2, 10.2.6, 10.0.10, and 9.4.15, a user who does not hold the "admin" or "power" Splunk roles could create or edit scripted lookup definitions through raw configuration endpoints. The vulnerability is possible because raw transforms configuration write paths do not apply external lookup capability checks before saving scripted lookup settings.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Splunk | Splunk Enterprise | 10.4 ~ 10.4.2 | - |
|
II. Public POCs for CVE-2026-76264
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2026-76264 (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-2026-76270 | 6.5 MEDIUM | Structured Query Language (SQL) Injection in the SPL2 Module Catalog 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-2026-76276 | 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
-
CVE-2026-76285
Improper Adherence to Coding Standards in Splunk Enterprise -
CVE-2026-76284
Improper Neutralization in Splunk Enterprise -
CVE-2026-76283
Protection Mechanism Failure in Splunk Enterprise -
CVE-2026-76282
Improper Control of a Resource Through its Lifetime in Splun -
CVE-2026-76281
Improper Access Control in Splunk Enterprise
Same vendor: Splunk
-
CVE-2026-76285
Improper Adherence to Coding Standards in Splunk Enterprise -
CVE-2026-76286
Server-Side Request Forgery (SSRF) through Custom API Tools -
CVE-2026-76283
Protection Mechanism Failure in Splunk Enterprise -
CVE-2026-76284
Improper Neutralization in Splunk Enterprise -
CVE-2026-76281
Improper Access Control in Splunk Enterprise
Same weakness: CWE-863
-
CVE-2026-43976
wger: cross-tenant admin notes/contracts leak via gym=None b -
CVE-2026-105139
Obot 0.26.0 before 0.26.2 Authorization Bypass via vMCP Prof -
CVE-2026-106471
Candlepin: candlepin: broken object-level authorization via -
CVE-2026-89182
Gitea push-to-create bypass of FORCE_PRIVATE policy -
CVE-2026-106498
Backstage: Improper URL validation in catalog entity placeho
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