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CVE-2026-76404 is an arbitrary command execution vulnerability in Splunk MCP Server app versions 1.2 through versions prior to 1.2.1. The flaw resides in the app's credential management component, which deserializes stored data without validating that the content is of the expected type. This unsafe deserialization condition allows a user holding the Splunk "admin" role to supply or influence crafted serialized content that is processed by the vulnerable component, resulting in execution of arbitrary commands on the underlying operating system.
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No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
8 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
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.