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CVE-2026-59260 is a vulnerability in OpenWrt's LuCI component, specifically luci-app-samba4, where a read ACL improperly grants execution permission on the Samba daemon. This allows authenticated delegated users to invoke smbd with attacker-controlled command-line arguments. By supplying arbitrary Samba global options, including options such as message command, an attacker can influence the behavior of a root-owned smbd process and trigger command execution when SMB protocol messages are processed. The flaw is an improper privilege management issue that exposes a privileged executable to lower-privileged authenticated users in a way that enables escalation to root-level code execution.
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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.
9 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.