Vulnerabilities in Splunk Enterprise and Splunk Cloud Platform

Splunk has identified several vulnerabilities in Splunk Enterprise and Splunk Cloud Platform. These vulnerabilities concern various components of Splunk Enterprise and Splunk Cloud Platform. Splunk has classified the vulnerability with the identifier CVE-2026-20253 as a critical vulnerability in...

Splunk Enterprise & Cloud Platform - Unrestricted File Upload

In Splunk Enterprise versions below 10.2.4 and 10.0.7, and Splunk Cloud Platform versions below 10.4.2604.3 and 10.2.2510.14, an unauthenticated user could create or truncate arbitrary files through a PostgreSQL sidecar service endpoint.The vulnerability exists because the PostgreSQL sidecar...

Splunk Enterprise - Local File Inclusion

In Splunk Enterprise on Windows versions below 9.2.2, 9.1.5, and 9.0.10, an attacker could perform a path traversal on the /modules/messaging/ endpoint in Splunk Enterprise on Windows. This vulnerability should only affect Splunk Enterprise on Windows. id: CVE-2024-36991 info: name: Splunk...

Splunk Enterprise Missing Authentication for Critical Function Vulnerability

Splunk Enterprise contains a missing authentication for critical function vulnerability which could allow an unauthenticated user to create or truncate arbitrary files through a PostgreSQL sidecar service endpoint...

EUVD-2026-37768

In Splunk AI Toolkit versions below 5.7.4, a user who holds the "admin" Splunk role could execute arbitrary OS commands on the host running the Splunk Enterprise instance. The vulnerability is possible because of an unsafe shell execution pattern in the btool configuration helper, which construct...

CVE-2026-20266 OS Command Injection in the btool Configuration Helper in Splunk AI Toolkit

In Splunk AI Toolkit versions below 5.7.4, a user who holds the "admin" Splunk role could execute arbitrary OS commands on the host running the Splunk Enterprise instance. The vulnerability is possible because of an unsafe shell execution pattern in the btool configuration helper, which construct...

CVE-2026-20266

Summary: CVE-2026-20266 affects Splunk AI Toolkit

EUVD-2026-37767

In Splunk AI Toolkit versions below 5.7.4, a low-privileged user that does not hold the "admin" or "power" Splunk roles could cause the Splunk AI Toolkit to make outbound requests over HTTP to a server that an attacker controls, which could allow for data exfiltration. The vulnerability exists...

CVE-2026-20265 Insecure Default Domain Allowlist in Splunk AI Toolkit

In Splunk AI Toolkit versions below 5.7.4, a low-privileged user that does not hold the "admin" or "power" Splunk roles could cause the Splunk AI Toolkit to make outbound requests over HTTP to a server that an attacker controls, which could allow for data exfiltration. The vulnerability exists...

CVE-2026-20265

Splunk AI Toolkit has a vulnerability in versions below 5.7.4 where a low-privilege user (not admin/power) can cause the toolkit to issue outbound HTTP requests to an attacker-controlled server due to an insecure default domain allowlist. This could enable data exfiltration. Root cause: outbound ...

PT-2026-50502

Name of the Vulnerable Software and Affected Versions Splunk AI Toolkit versions prior to 5.7.4 Description A user with the "admin" Splunk role can execute arbitrary OS commands on the host running the Splunk Enterprise instance. This is caused by an unsafe shell execution pattern in the btool...

Splunk <=7.0.1 - Information Disclosure

Splunk through 7.0.1 is susceptible to information disclosure by appending raw/services/server/info/server-info?outputmode=json to a query, as demonstrated by discovering a license key. id: CVE-2018-11409 info: name: Splunk =7.0.1 - Information Disclosure author: harshbothra severity: medium...

VulnCheck KEV: CVE-2026-20253

In Splunk Enterprise 10.2 versions below 10.2.4 and 10 versions below 10.0.7, an unauthenticated user could create or truncate arbitrary files through a PostgreSQL sidecar service endpoint. The vulnerability exists because the PostgreSQL sidecar service endpoint lacks authentication controls,...

Critical Splunk Enterprise Flaw Lets Attackers Run Code Without Authentication

Splunk has released security updates to address a critical security flaw in Splunk Enterprise that could be exploited to conduct unauthenticated file operations and even remote code execution. The vulnerability, tracked as CVE-2026-20253 , is rated 9.8 on the CVSS scoring system. "In Splunk...

CVE-2026-20254

creationtimestamp| type| source ---|---|--- 2026-06-11 18:00:00+00:00| seen| https://www.hkcert.org/security-bulletin/splunk-products-multiple-vulnerabilities20260612...

CVE-2026-20255

creationtimestamp| type| source ---|---|--- 2026-06-11 18:00:00+00:00| seen| https://www.hkcert.org/security-bulletin/splunk-products-multiple-vulnerabilities20260612...

CVE-2026-20256

creationtimestamp| type| source ---|---|--- 2026-06-11 18:00:00+00:00| seen| https://www.hkcert.org/security-bulletin/splunk-products-multiple-vulnerabilities20260612...

CVE-2026-20257

creationtimestamp| type| source ---|---|--- 2026-06-11 18:00:00+00:00| seen| https://www.hkcert.org/security-bulletin/splunk-products-multiple-vulnerabilities20260612...

CVE-2026-20259

creationtimestamp| type| source ---|---|--- 2026-06-11 18:00:00+00:00| seen| https://www.hkcert.org/security-bulletin/splunk-products-multiple-vulnerabilities20260612...

CVE-2026-20258

creationtimestamp| type| source ---|---|--- 2026-06-11 00:32:43+00:00| seen| https://www.acn.gov.it/portale/w/rilevate-vulnerabilita-in-prodotti-splunk-3 2026-06-11 18:00:00+00:00| seen| https://www.hkcert.org/security-bulletin/splunk-products-multiple-vulnerabilities20260612...