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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-2026-76286 Server-Side Request Forgery (SSRF) through Custom API Tools in Splunk MCP Server — Splunk MCP Server CWE-918 5.3 Medium 2026-10-07
CVE-2026-76285 Improper Adherence to Coding Standards in Splunk Enterprise — Splunk Enterprise CWE-710 - - 2026-10-07
CVE-2026-76283 Protection Mechanism Failure in Splunk Enterprise — Splunk Enterprise CWE-693 - - 2026-10-07
CVE-2026-76284 Improper Neutralization in Splunk Enterprise — Splunk Enterprise CWE-707 - - 2026-10-07
CVE-2026-76281 Improper Access Control in Splunk Enterprise — Splunk Enterprise CWE-284 - - 2026-10-07
CVE-2026-76282 Improper Control of a Resource Through its Lifetime in Splunk Enterprise — Splunk Enterprise CWE-664 - - 2026-10-07
CVE-2026-76280 Incorrect Permission Assignment for App Key Value Store Collections in Splunk Secure Gateway — Splunk Enterprise CWE-732 6.3 Medium 2026-10-07
CVE-2026-76279 Improper Input Validation of Index Names through the collect Command in Splunk Enterprise — Splunk Enterprise CWE-20 4.3 Medium 2026-10-07
CVE-2026-76278 Authorization Bypass in SPL2 Module Permissions in Splunk Enterprise — Splunk Enterprise CWE-639 4.3 Medium 2026-10-07
CVE-2026-76277 Improper Input Validation of Native Splunk Usernames through the REST API in Splunk Enterprise — Splunk Enterprise CWE-20 4.1 Medium 2026-10-07
CVE-2026-76276 Information Disclosure in the Discover Splunk Observability Cloud app through Splunk Web for Splunk Enterprise — Splunk Enterprise CWE-1188 4.3 Medium 2026-10-07
CVE-2026-76275 Improper Authorization in Search Job Listings through the REST API in Splunk Enterprise — Splunk Enterprise CWE-285 4.3 Medium 2026-10-07
CVE-2026-76274 Server-Side Request Forgery (SSRF) through the REST API in Splunk App for Splunk Observability Cloud — Splunk Enterprise CWE-918 6.5 Medium 2026-10-07
CVE-2026-76273 Improper Input Validation through the collect Command in Splunk Enterprise — Splunk Enterprise CWE-20 4.3 Medium 2026-10-07
CVE-2026-76272 Missing Access Control through the REST API in Splunk Secure Gateway — Splunk Enterprise CWE-862 4.3 Medium 2026-10-07
CVE-2026-76271 Denial of Service (DoS) in the Discover Splunk Observability Cloud app for Splunk Enterprise — Splunk Enterprise CWE-407 6.5 Medium 2026-10-07
CVE-2026-76270 Structured Query Language (SQL) Injection in the SPL2 Module Catalog in Splunk Enterprise — Splunk Enterprise CWE-89 6.5 Medium 2026-10-07
CVE-2026-76269 Improper Access Control in Search Job Retrieval through the REST API in Splunk Enterprise — Splunk Enterprise CWE-639 6.5 Medium 2026-10-07
CVE-2026-76268 Missing Authentication for Critical Function in the Patroni REST API in Splunk Enterprise — Splunk Enterprise CWE-306 9.8 Critical 2026-10-07
CVE-2026-76266 Local Privilege Escalation through Linux Package Upgrades in Splunk Enterprise — Splunk Enterprise CWE-269 7.7 High 2026-10-07
CVE-2026-76267 Log Injection through the REST API in Splunk App for Splunk O11y Cloud — Splunk Enterprise CWE-117 4.3 Medium 2026-10-07
CVE-2026-76265 Improper Access Control through REST API Endpoints in Splunk Secure Gateway — Splunk Enterprise CWE-284 6.5 Medium 2026-10-07
CVE-2026-76264 Improper Authorization through the REST API in Splunk Enterprise — Splunk Enterprise CWE-863 4.3 Medium 2026-10-07
CVE-2026-76405 Information Disclosure through Cleartext Storage in the App Key Value Store in the Splunk On-Call (VictorOps) app — Splunk On-Call (VictorOps) CWE-312 4.3 Medium 2026-08-19
CVE-2026-76404 Remote Code Execution (RCE) through Deserialization of Untrusted Data in Splunk MCP Server app — Splunk MCP Server app CWE-502 9.1 Critical 2026-08-19
CVE-2026-76403 Improper Certificate Validation through HTTP Event Collector Kerberos Authentication in Splunk Connect for Kafka — Splunk Connect for Kafka CWE-295 7.4 High 2026-08-19
CVE-2026-76402 Server-Side Request Forgery (SSRF) through the REST API in Splunk Connect for Kafka — Splunk Connect for Kafka CWE-918 8.2 High 2026-08-19
CVE-2026-76401 Regular Expression Denial of Service (DoS) through the REST API in Splunk Connect for Kafka — Splunk Connect for Kafka CWE-407 5.9 Medium 2026-08-19
CVE-2026-76400 Denial of Service (DoS) through the REST API in Splunk Connect for Kafka — Splunk Connect for Kafka CWE-400 5.9 Medium 2026-08-19
CVE-2026-76399 Incorrect Permission Assignment for Scheduled Searches in Splunk AI Toolkit — Splunk AI Toolkit CWE-732 8.1 High 2026-08-19

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.