CVE-2026-76348— Missing Authorization in Search Head Cluster Member Controls 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 低于 10.4.2、10.2.6、10.0.9 和 9.4.14 的版本中，拥有包含高权限列表 能力的 Splunk 角色用户，可以向搜索头集群（Search Head Cluster）成员控制端点发送读取请求并更改集群状态，从而导致拒绝服务（Denial of Service, DoS）。该漏洞的存在是因为这些搜索头集群成员控制端点在应用只读授权之前，并不要求状态变更的超文本传输协议（HTTP）请求类型为特定的写操作类型。
Possible ATT&CK Techniques 1 AI
T1496 · Resource HijackingAffected Version Matrix 4
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Splunk | Splunk Enterprise | 10.4< 10.4.2 |
affected |
10.2< 10.2.6 |
affected | ||
10.0< 10.0.9 |
affected | ||
9.4< 9.4.14 |
affected |
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2026-76348
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
Missing Authorization in Search Head Cluster Member Controls in Splunk Enterprise
Source: CVE Program / CVE List V5
Vulnerability Description
In Splunk Enterprise versions below 10.4.2, 10.2.6, 10.0.9, and 9.4.14, a user who holds a Splunk role that contains the high-privilege list_search_head_clustering capability could send a read request to Search Head Cluster member control endpoints and change cluster state, which could allow for a denial of service. The vulnerability is possible because the Search Head Cluster member control endpoints do not require a state-changing Hypertext Transfer Protocol (HTTP) request type before they apply read-only authorization.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
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-2026-76348
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-76348
请登录查看更多情报信息。
Same Patch Batch · Splunk · 2026-08-19 · 110 CVEs total
| CVE-2026-76311 | 9.4 CRITICAL | Improper Access Control in Embedded Report Dispatch Archives in Splunk Enterprise |
| CVE-2026-76310 | 9.4 CRITICAL | Improper Access Control through Embedded Report REST API Requests in Splunk Enterprise |
| CVE-2026-76312 | 9.4 CRITICAL | Improper Access Control through Embedded Reports in Splunk Enterprise |
| CVE-2026-76404 | 9.1 CRITICAL | Remote Code Execution (RCE) through Deserialization of Untrusted Data in Splunk MCP Server |
| CVE-2026-76335 | 8.8 HIGH | Remote Code Execution (RCE) through Splunk Web Manager Configuration in Splunk Enterprise |
| CVE-2026-76350 | 8.8 HIGH | Improper Privilege Management through PDF Attachments for Email Alert Actions in Splunk En |
| CVE-2026-76389 | 8.8 HIGH | Server-Side Request Forgery (SSRF) through the REST API in Cisco Talos Intelligence for En |
| CVE-2026-76319 | 8.8 HIGH | Remote Code Execution (RCE) through Federated Search in Splunk Enterprise |
| CVE-2026-76351 | 8.8 HIGH | Server-Side Request Forgery (SSRF) through the Report Notification REST API in Splunk Secu |
| CVE-2026-76395 | 8.8 HIGH | Remote Code Execution (RCE) through Deserialization of Untrusted Data in the Model Loading |
| CVE-2026-76316 | 8.8 HIGH | Stored SPL Injection through Deployment Server Broker Registration in Splunk Enterprise |
| CVE-2026-76352 | 8.8 HIGH | Improper Authorization through the REST API in Splunk Enterprise |
| CVE-2026-76253 | 8.8 HIGH | Privilege Escalation through Scheduled Search Alert Action Configuration in Splunk Enterpr |
| CVE-2026-76315 | 8.8 HIGH | Code Injection through Splunk Web Manager Configuration in Splunk Enterprise |
| CVE-2026-76259 | 8.8 HIGH | Improper Privilege Management on the Management Port in Splunk Enterprise for Windows |
| CVE-2026-76317 | 8.8 HIGH | Path Traversal through the Lookup Configuration REST API in Splunk Enterprise |
| CVE-2026-76313 | 8.8 HIGH | Remote Code Execution (RCE) through the REST API in Splunk Enterprise |
| CVE-2026-76314 | 8.8 HIGH | Remote Code Execution (RCE) through Splunk Web Manager Configuration in Splunk Enterprise |
| CVE-2026-76394 | 8.3 HIGH | Missing Authorization in Container and Connection Management through the REST API in Splun |
| CVE-2026-76391 | 8.3 HIGH | Improper Privilege Management through Agent Run History in Splunk AI Toolkit |
Showing top 20 of 110 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Splunk Enterprise
-
CVE-2026-76355
Unauthenticated Information Disclosure through an Edge Proce -
CVE-2026-76353
Path Traversal through Knowledge Bundle Replication in Splun -
CVE-2026-76354
Path Traversal through Search Head Clustering in Splunk Ente -
CVE-2026-76352
Improper Authorization through the REST API in Splunk Enterp -
CVE-2026-76351
Server-Side Request Forgery (SSRF) through the Report Notifi
Same vendor: Splunk
-
CVE-2026-76405
Information Disclosure through Cleartext Storage in the App -
CVE-2026-76403
Improper Certificate Validation through HTTP Event Collector -
CVE-2026-76404
Remote Code Execution (RCE) through Deserialization of Untru -
CVE-2026-76401
Regular Expression Denial of Service (DoS) through the REST -
CVE-2026-76402
Server-Side Request Forgery (SSRF) through the REST API in S
Same weakness: CWE-862
-
CVE-2026-79672
Ech0 before 4.4.3 Authentication Bypass via Comment Panel -
CVE-2026-79669
Ech0 before 4.4.3 Missing Authorization on System Logs -
CVE-2026-79666
Ech0 before 4.4.3 Missing Authorization via dashboard log en -
CVE-2026-79665
Ech0 before 4.5.1 Authorization Bypass via Session Tokens -
CVE-2026-17587
My Agile Privacy® <= 3.3.6 - Missing Authorization to Unauth
V. Comments for CVE-2026-76348
No comments yet