CVE-2026-1358

CRITICAL 9.8

Airleader Master Unrestricted Upload of File with Dangerous Type

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

Airleader Master versions 6.381 and prior allow for file uploads without restriction to multiple webpages running maximum privileges. This could allow an unauthenticated user to potentially obtain remote code execution on the server.

CWE	CWE-434
Vendor	airleader gmbh
Product	airleader master
Published	Feb 12, 2026
Last Updated	Mar 3, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

Airleader GmbH / Airleader Master

0 ≤ 6.381

References

NVD ↗ CVE.org ↗ EPSS Data ↗

cisa.gov: https://www.cisa.gov/news-events/ics-advisories/icsa-26-043-10 github.com: https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-043-10.json airleader.us: https://airleader.us/contact/ syss.de: https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2025-044.txt

Credits

Angel Lomeli of SySS reported this vulnerability to CISA.