CVE-2026-20266: Improper Neutralization of Special Elements used in an OS Command

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-2026-20265: Initialization of a Resource with an Insecure Default

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...

PT-2026-50501

Name of the Vulnerable Software and Affected Versions Splunk AI Toolkit versions prior to 5.7.4 Description A low-privileged user without "admin" or "power" Splunk roles can force the application to make outbound HTTP requests to an attacker-controlled server, potentially leading to data...

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...

VulnCheck KEV: CVE-2026-20253

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...

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-2026-20257

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

CVE-2026-20255

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-2026-20259

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

CVE-2026-20252

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...

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...

CVE-2026-20256

In Splunk Enterprise versions below 10.2.4, 10.0.7, 9.4.12, and 9.3.13, and Splunk Cloud Platform versions below 10.3.2512.13, 10.2.2510.15, 10.1.2507.23, and 9.3.2411.132, a low-privileged user that does not hold the 'admin' or 'power' Splunk roles could cause data exfiltration through classic...

CVE-2026-20257

In Splunk Enterprise versions below 10.2.4, 10.0.7, 9.4.12, and 9.3.13, and Splunk Cloud Platform versions below 10.3.2512.13, 10.2.2510.15, 10.1.2507.23, and 9.3.2411.132, a low-privileged user that does not hold the "admin" or "power" Splunk roles could craft a classic dashboard that exfiltrate...

CVE-2026-20258

In Splunk Enterprise versions below 10.2.4, 10.0.7, 9.4.12, and 9.3.13, and Splunk Cloud Platform versions below 10.3.2512.11, 10.2.2510.15, 10.1.2507.23, and 9.3.2411.132, a low-privileged user that does not hold the "admin" or "power" Splunk roles could store a malicious script in a classic...

CVE-2026-20255

In Splunk Enterprise versions below 10.2.4, 10.0.7, 9.4.12, and 9.3.13, and Splunk Cloud Platform versions below 10.3.2512.13, 10.2.2510.15, 10.1.2507.23, and 9.3.2411.132, a low-privileged user that does not hold the "admin" or "power" Splunk roles could craft a malicious classic dashboard that...

CVE-2026-20260

In Splunk SOAR Security Orchestration, Automation, and Response versions below 8.5.0, an unauthenticated attacker could inject American National Standards Institute ANSI escape codes into SOAR application log files through specially crafted HTTP request paths, which a terminal emulator might...

CVE-2026-20259

In Splunk Enterprise versions below 10.2.4 and 10.0.7, and Splunk Cloud Platform versions below 10.4.2604.0, 10.3.2512.12, 10.2.2510.15, 10.1.2507.23, 10.0.2503.14, and 9.3.2411.131, a user who holds a Splunk role that contains the high-privilege capability editsavedsearchowner could reassign sav...

CVE-2026-20252

In Splunk Enterprise versions below 10.2.4, 10.0.7, 9.4.12, and 9.3.13, and Splunk Cloud Platform versions below 10.4.2604.3, 10.3.2512.12, 10.2.2510.14, 10.1.2507.22, and 9.3.2411.132, a low-privileged user that does not hold the "admin" or "power" Splunk roles could send server-side requests to...