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CVE-2026-20266 is a critical OS command injection vulnerability in the btool configuration helper of Splunk AI Toolkit. In affected versions below 5.7.4, the helper constructs operating system command strings from dynamic parameters and invokes them using an unsafe shell execution pattern without disabling shell interpretation. Because externally influenced input can be incorporated into a shell-interpreted command, a user holding the Splunk "admin" role can inject shell metacharacters and execute arbitrary operating system commands on the host running the Splunk Enterprise instance. The weakness crosses from the application context into the underlying operating system context, which is reflected in the changed scope rating.
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No public exploit code observed for this vulnerability.
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20 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A critical OS command injection vulnerability in Splunk AI Toolkit that allows authenticated admin-role attackers to execute arbitrary OS commands on the host running Splunk Enterprise.
A critical OS command injection vulnerability in the Splunk AI Toolkit's btool configuration helper that allows an attacker with administrative Splunk privileges to execute arbitrary operating system commands on the host.
A critical OS command injection vulnerability in the Splunk AI Toolkit btool Configuration Helper that allows an admin-role user to execute arbitrary OS commands on the host running Splunk Enterprise.
An OS command injection vulnerability in the btool configuration helper of Splunk AI Toolkit that allows a user with the admin Splunk role to execute arbitrary OS commands on the host running Splunk Enterprise.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.