CVE-2026-1358: Airleader Master Unrestricted Upload of File with Dangerous Type

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-02-12 · updated 2026-06-17
Weakness: CWE-434

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.

Affected products

Airleader GmbH Airleader Master: through 6.381

References

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

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