CVE-2026-76284— Improper Neutralization 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.
不当中和。Splunk 修复了其企业版 10.4.3、10.2.7、10.0.10 和 9.4.15 版本中多个经内部识别的安全漏洞。这些漏洞按常见弱点枚举（CWE）进行分类，每个类别分配有一个常见漏洞与披露（CVE）标识符。详细信息请参阅“详情”部分。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-76284
Vulnerability Information
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Vulnerability Title
Improper Neutralization in Splunk Enterprise
Source: CVE Program / CVE List V5
Vulnerability Description
Improper Neutralization. Splunk addressed multiple internally identified vulnerabilities in Splunk Enterprise versions 10.4.3, 10.2.7, 10.0.10, and 9.4.15. The vulnerabilities are grouped by Common Weakness Enumeration (CWE), with one Common Vulnerabilities and Exposures (CVE) identifier assigned to each group. See Details for more information.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
对消息或数据结构的处理不恰当
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-2026-76284
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2026-76284 (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-2026-76264 | 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-2026-76283 | 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-2026-76283
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 -
CVE-2026-76279
Improper Input Validation of Index Names through the collect
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-2026-76282
Improper Control of a Resource Through its Lifetime in Splun -
CVE-2026-76281
Improper Access Control in Splunk Enterprise
Same weakness: CWE-707
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halo-dev Halo SpEL ReplyNotificationSubscriptionHelper.java -
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V. Comments for CVE-2026-76284
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