Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-20166— Sensitive Information Disclosure in Discover Splunk Observability Cloud app for 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.

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 Enterprise 10.2.1之前版本和10.0.4之前版本以及Splunk Cloud Platform 10.2.2510.5之前版本、10.1.2507.16之前版本和10.0.2503.12之前版本存在信息泄露漏洞，该漏洞源于访问控制

CVSS 5.4 · Medium EPSS 0.15% · P4

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-20166

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
Sensitive Information Disclosure in Discover Splunk Observability Cloud app for Splunk Enterprise
Source: CVE Program / CVE List V5
Vulnerability Description
In Splunk Enterprise versions below 10.2.1 and 10.0.4, and Splunk Cloud Platform versions below 10.2.2510.5, 10.1.2507.16, and 10.0.2503.12, a low-privileged user that does not hold the "admin" or "power" Splunk roles could retrieve the Observability Cloud API access token through the Discover Splunk Observability Cloud app due to improper access control. This vulnerability does not affect Splunk Enterprise versions below 9.4.9 and 9.3.10 because the Discover Splunk Observability Cloud app does not come with Splunk Enterprise.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Splunk Cloud Platform和Splunk Enterprise 信息泄露漏洞
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 Enterprise 10.2.1之前版本和10.0.4之前版本以及Splunk Cloud Platform 10.2.2510.5之前版本、10.1.2507.16之前版本和10.0.2503.12之前版本存在信息泄露漏洞，该漏洞源于访问控制
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 ~ 10.2.1 -
Splunk Splunk Cloud Platform 10.2.2510 ~ 10.2.2510.5 -

II. Public POCs for CVE-2026-20166

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-20166

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-20166 (1)

Same Patch Batch · Splunk · 2026-03-11 · 5 CVEs total

CVE-2026-20163 8.0 HIGH Remote Command Execution (RCE) through the '/splunkd/__upload/indexing/preview' REST endpo
CVE-2026-20164 6.5 MEDIUM Sensitive Information Disclosure through Improper Access Control in Splunk Enterprise
CVE-2026-20162 6.3 MEDIUM Stored Cross-Site Scripting (XSS) through Path Traversal in Splunk Enterprise
CVE-2026-20165 6.3 MEDIUM Sensitive Information Disclosure in MongoClient logging channel in Splunk Enterprise

IV. Related Vulnerabilities

Same product: Splunk Enterprise
Same vendor: Splunk
Same weakness: CWE-200

V. Comments for CVE-2026-20166

No comments yet

Leave a comment