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CVE-2026-20265 is an information disclosure vulnerability in Splunk AI Toolkit versions prior to 5.7.4. The issue is caused by an insecure default domain allowlist that fails to properly restrict outbound AI agent HTTP requests to approved external destinations. As a result, a low-privileged user without the Splunk "admin" or "power" roles can cause the toolkit to initiate outbound HTTP requests to attacker-controlled infrastructure. This behavior creates a channel through which data handled by the toolkit may be transmitted externally, resulting in potential data exfiltration.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
5 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A medium-severity information disclosure vulnerability in Splunk AI Toolkit caused by an insecure default domain allowlist, enabling admin or power-role attackers to trigger outbound HTTP requests to attacker-controlled servers and exfiltrate data.
An insecure default domain allowlist vulnerability in the Splunk AI Toolkit that allows a low-privileged user to trigger outbound HTTP requests, potentially enabling data exfiltration to an attacker-controlled server.
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.