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CVE-2026-1579

PX4 Autopilot Missing authentication for critical function

Published: Mar 31, 2026Updated: Jul 29, 2026 Sources: CVE List NVD csafCWE-306
9.8CRITICAL
NVD MITRE
EPSS Score
0.9%
Top 42.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

Description

The MAVLink communication protocol does not require cryptographic authentication by default. When MAVLink 2.0 message signing is not enabled, any message -- including SERIAL_CONTROL, which provides interactive shell access -- can be sent by an unauthenticated party with access to the MAVLink interface. PX4 provides MAVLink 2.0 message signing as the cryptographic authentication mechanism for all MAVLink communication. When signing is enabled, unsigned messages are rejected at the protocol level.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-306

Affected Products

PX4
oss-projectaka px4-autopilot, mavlink, autopilot
AutopilotEmbedded
ICS / OT / IoT / industrial-network
and 1 more affected products View all →

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

2 techniques
Initial Access
View detailed technique mapping

References

https://docs.px4.io/main/en/mavlink/security_hardening
docs.px4.io
https://docs.px4.io/main/en/mavlink/message_signing
docs.px4.io
https://www.cisa.gov/news-events/ics-advisories/icsa-26-090-02
cisa.gov
and 17 more references View all →
News mentions
1

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