CVE-2026-38971
ArduPilot GCS_MAVLINK Out-of-Bounds Read
Description
ardupilot through Plane-4.6.3 was found to contain an out-of-bounds read issue in libraries/GCS_MAVLink/GCS_serial_control.cpp in GCS_MAVLINK::handle_serial_control().
INFO
Published Date :
July 2, 2026, 9:16 p.m.
Last Modified :
July 9, 2026, 3:16 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | CRITICAL | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Update ArduPilot software to a patched version.
- Verify the update was successful.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-38971.
| URL | Resource |
|---|---|
| https://gist.github.com/quart27219/6bfcc615f89fb493d02aad480704593b | |
| https://github.com/ArduPilot/ardupilot | Product |
| https://github.com/ArduPilot/ardupilot/issues/32524 | Exploit Issue Tracking |
| https://github.com/ArduPilot/ardupilot/pull/32587 | Issue Tracking Patch |
| https://github.com/ArduPilot/ardupilot/issues/32524 | Exploit Issue Tracking |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-38971 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-38971
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-38971 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-38971 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
Jul. 09, 2026
Action Type Old Value New Value Added Reference https://gist.github.com/quart27219/6bfcc615f89fb493d02aad480704593b -
Initial Analysis by [email protected]
Jul. 08, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:ardupilot:arduplane:*:*:*:*:*:*:*:* versions up to (including) 4.6.3 Added Reference Type MITRE: https://github.com/ArduPilot/ardupilot Types: Product Added Reference Type MITRE: https://github.com/ArduPilot/ardupilot/issues/32524 Types: Exploit, Issue Tracking Added Reference Type MITRE: https://github.com/ArduPilot/ardupilot/pull/32587 Types: Issue Tracking, Patch Added Reference Type CISA-ADP: https://github.com/ArduPilot/ardupilot/issues/32524 Types: Exploit, Issue Tracking -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jul. 06, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H Added CWE CWE-125 Added Reference https://github.com/ArduPilot/ardupilot/issues/32524 Added SSVC {'id': 'CVE-2026-38971', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'poc'}, {'automatable': 'yes'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-07-06T17:08:31.428174Z'} -
New CVE Received by [email protected]
Jul. 02, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'n/a', 'product': 'n/a', 'versions': [{'status': 'affected', 'version': 'n/a'}]}] Added Description ardupilot through Plane-4.6.3 was found to contain an out-of-bounds read issue in libraries/GCS_MAVLink/GCS_serial_control.cpp in GCS_MAVLINK::handle_serial_control(). Added Reference https://github.com/ArduPilot/ardupilot Added Reference https://github.com/ArduPilot/ardupilot/issues/32524 Added Reference https://github.com/ArduPilot/ardupilot/pull/32587