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Splunk — Vulnerabilities & Security Advisories 306

Browse all 306 CVE security advisories affecting Splunk. AI-powered Chinese analysis, POCs, and references for each vulnerability.

Splunk operates primarily as a data analytics platform designed for searching, monitoring, and analyzing machine-generated big data via a web interface. Its architecture, which integrates complex data ingestion pipelines with extensive third-party app ecosystems, has historically exposed it to diverse vulnerability classes. Recorded Common Vulnerabilities and Exposures (CVEs) frequently involve remote code execution, cross-site scripting, and privilege escalation flaws, often stemming from improper input validation or insecure default configurations in its web components. While no single catastrophic breach defines its history, the sheer volume of disclosed flaws highlights systemic risks in its expansive feature set. Security practitioners must rigorously patch these instances, as the platform’s central role in enterprise observability makes unmitigated vulnerabilities particularly impactful. The current count of 155 CVEs underscores the necessity for continuous configuration auditing and strict access controls to maintain integrity within organizations relying on this infrastructure.

CVE ID Title CVSS Severity Published
CVE-2026-76309 Structured Query Language (SQL) Injection through the REST API in Splunk Enterprise — Splunk Enterprise CWE-89 4.3 Medium 2026-08-19
CVE-2026-76262 Exposure of Sensitive Information to an Unauthorized Actor through the REST API in Splunk Enterprise — Splunk Enterprise CWE-200 7.5 High 2026-08-19
CVE-2026-76261 Insecure Default Access Control List through the REST API in Splunk Secure Gateway — Splunk Enterprise CWE-732 5.3 Medium 2026-08-19
CVE-2026-76260 Incorrect Permission Assignment for Critical Resource through the REST API in Splunk Enterprise — Splunk Enterprise CWE-732 6.5 Medium 2026-08-19
CVE-2026-76258 Use of Hard-coded Cryptographic Key through Companion App Registration in Splunk Secure Gateway — Splunk Enterprise CWE-321 6.5 Medium 2026-08-19
CVE-2026-76259 Improper Privilege Management on the Management Port in Splunk Enterprise for Windows — Splunk Enterprise CWE-269 8.8 High 2026-08-19
CVE-2026-76257 Missing Authorization through REST API Endpoints in Splunk Secure Gateway — Splunk Enterprise CWE-862 6.5 Medium 2026-08-19
CVE-2026-76256 Information Exposure through REST API Endpoints in Splunk Secure Gateway — Splunk Enterprise CWE-200 4.3 Medium 2026-08-19
CVE-2026-76255 Risky Command Safeguards Bypass through Splunk Web in Splunk Enterprise — Splunk Enterprise CWE-862 6.4 Medium 2026-08-19
CVE-2026-76254 SPL Command Safeguards Bypass through Splunk Web in Splunk Enterprise — Splunk Enterprise CWE-943 7.5 High 2026-08-19
CVE-2026-76253 Privilege Escalation through Scheduled Search Alert Action Configuration in Splunk Enterprise — Splunk Enterprise CWE-269 8.8 High 2026-08-19
CVE-2026-76252 Cross-Site Scripting (XSS) through Splunk Web Message Validation in Splunk Enterprise — Splunk Enterprise CWE-79 6.8 Medium 2026-08-19
CVE-2026-76251 Missing Authorization through REST API Endpoints in the Splunk App for Splunk Observability Cloud — Splunk Enterprise CWE-862 7.1 High 2026-08-19
CVE-2026-20298 Sensitive Information Disclosure through the storage/passwords REST Endpoint in Splunk Enterprise — Splunk Enterprise CWE-200 5.3 Medium 2026-07-15
CVE-2026-20296 SPL Command Safeguards Bypass through Cross-Site Request Forgery (CSRF) in Deployment Server in Splunk Enterprise — Splunk Enterprise CWE-352 8.3 High 2026-07-15
CVE-2026-20297 Path Traversal through 'explicit_appname' in the App Install REST Endpoint in Splunk Enterprise — Splunk Enterprise CWE-22 7.2 High 2026-07-15
CVE-2026-20266 OS Command Injection in the btool Configuration Helper in Splunk AI Toolkit — Splunk AI Toolkit CWE-78 9.1 Critical 2026-06-17
CVE-2026-20265 Insecure Default Domain Allowlist in Splunk AI Toolkit — Splunk AI Toolkit CWE-1188 4.3 Medium 2026-06-17
CVE-2026-20258 Stored Cross-Site Scripting (XSS) through Classic Dashboard in Splunk Enterprise — Splunk Enterprise CWE-79 7.1 High 2026-06-10
CVE-2026-20253 Unauthenticated Arbitrary File Creation and Truncation in a PostgreSQL Sidecar Service Endpoint in Splunk Enterprise — Splunk Enterprise CWE-306 9.8 Critical 2026-06-10
CVE-2026-20260 Log Injection through HTTP Request Paths in Splunk SOAR — Splunk SOAR CWE-117 4.3 Medium 2026-06-10
CVE-2026-20252 Server-Side Request Forgery (SSRF) through Dashboard Studio PDF Export in Splunk Enterprise — Splunk Enterprise CWE-918 7.6 High 2026-06-10
CVE-2026-20257 Improper Input Validation through Classic Dashboard CSS in Splunk Enterprise — Splunk Enterprise CWE-20 5.7 Medium 2026-06-10
CVE-2026-20259 Improper Access Control in Splunk Enterprise — Splunk Enterprise CWE-284 5.5 Medium 2026-06-10
CVE-2026-20255 Improper Input Validation through Classic Dashboards in Splunk Enterprise — Splunk Enterprise CWE-20 5.7 Medium 2026-06-10
CVE-2026-20251 Remote Code Execution through Deserialization of Untrusted Data in Splunk Secure Gateway — Splunk Enterprise CWE-502 8.8 High 2026-06-10
CVE-2026-20254 Information Disclosure through External Content Restriction Bypass in Splunk Enterprise — Splunk Enterprise CWE-20 5.7 Medium 2026-06-10
CVE-2026-20256 Improper Input Validation through Protocol-Relative URL in Classic Dashboards in Splunk Enterprise — Splunk Enterprise CWE-20 5.7 Medium 2026-06-10
CVE-2026-20238 Improper Access Control through Role Inheritance in Splunk AI Toolkit app — Splunk AI Toolkit CWE-863 6.5 Medium 2026-05-20
CVE-2026-20239 Sensitive Information Disclosure through Log Files in Splunk Enterprise — Splunk Enterprise CWE-532 7.5 High 2026-05-20

This page lists every published CVE security advisory associated with Splunk. Each entry links to a detailed page with CVSS scoring, CWE classification, affected products and references. AI-generated Chinese analysis is provided for fast triage.