Is CVE-2026-1579 actively exploited?

No active exploitation of CVE-2026-1579 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-1579 be exploited remotely?

Yes. CVE-2026-1579 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-1579?

CVE-2026-1579 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2026-1579

CRITICAL

CVE-2026-1579

CWE-306Published: March 31, 2026· Updated: Apr 7, 2026

9.8

CVSS v3.1

EPSS:0.07%probability of exploitation in 30 daysPercentile:22.2th

Official 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.

NVD Source

Technical Analysis

CVE-2026-1579 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges Req.None

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

px41 product

autopilot

Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time

Exploit-DB

Offensive Security exploit database

GitHub PoC Search

Community PoC repositories

Rapid7 / Metasploit

Metasploit module search

PacketStorm

Security advisories & exploits

External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-090-02.json

ADVISORYhttps://www.cisa.gov/news-events/ics-advisories/icsa-26-090-02

News & Research Mentioning CVE-2026-1579

PX4 Autopilot

CISA Alerts· Mar 31, 2026

View CSAF Summary Successful exploitation of this vulnerability could allow an attacker with access to the MAVLink interface to execute arbitrary shell commands without cryptographic authentication. The following versions of PX4 Autopilot are affected: Autopilot v1.16.0_SITL_latest_stable (CVE-2026-1579) CVSS Vendor Equipment Vulnerabilities v3 9.8 PX4 PX4 Autopilot Missing Authentication for Critical Function Background Critical Infrastructure Sectors: Transportation Systems, Emergency Services, Defense Industrial Base Countries/Areas Deployed: Worldwide Company Headquarters Location: Switzerland Vulnerabilities Expand All + CVE-2026-1579 The MAVLink communication protocol does not require cryptographic authentication by default. When MAVLink 2.0 me [xlite_meta score:79 src:CISA Alerts xlite_fp:1d41deb8068bddc2933b9db6eafc944b606f8300b7868bb4b23be4e2e2db14c5]