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CVE-2026-1579 is a critical missing-authentication vulnerability in PX4 Autopilot arising from the MAVLink protocol configuration used by affected deployments. MAVLink communication does not require cryptographic authentication by default, and when MAVLink 2.0 message signing is not enabled, an unauthenticated party with access to the MAVLink interface can send arbitrary MAVLink messages. This includes the SERIAL_CONTROL message, which can provide interactive shell access and enable execution of arbitrary shell commands on the underlying system. PX4 supports MAVLink 2.0 message signing as the protocol-level authentication mechanism; when signing is enabled, unsigned messages are rejected.
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No public exploit code observed for this vulnerability.
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12 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A critical PX4 Autopilot vulnerability in which MAVLink message signing is disabled by default, allowing command channels to accept unsigned commands from an attacker on the network.
A critical unauthenticated command execution vulnerability in PX4 Autopilot caused by missing authentication for a critical function, allowing arbitrary shell command execution via the MAVLink interface.
An authentication bypass / missing authentication vulnerability in MAVLink/PX4 deployments where MAVLink 2.0 message signing is not enabled, allowing unauthenticated parties with access to the MAVLink interface to send messages including SERIAL_CONTROL for interactive shell access.
A critical remote command execution vulnerability in PX4 involving unauthenticated MAVLink messaging, allowing arbitrary shell command execution via the SERIAL_CONTROL message.
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.