Critical severity · published Feb 12, 2026
CVE-2026-1358
Airleader Master Unrestricted Upload of File with Dangerous Type
9.8
CVSS
1.2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 68% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AM
Airleader Master · Airleader GmbH
through 6.381 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-1358
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-1358
airleader.us
https://airleader.us/contact/
github.com
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-043-10.json
www.cisa.gov
https://www.cisa.gov/news-events/ics-advisories/icsa-26-043-10
www.syss.de
https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2025-044.txt