Arbitrary file upload in iCagenda - CVE-2026-48939
Published: July 17, 2026
Vulnerability identifier: #VU138307
CSH Severity: Critical
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red
CVE-ID: CVE-2026-48939
CWE-ID: CWE-434
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vendor: iCagenda
Affected software:
iCagenda
iCagenda
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to insufficient validation of file during file upload. A remote non-authenticated attacker can upload a malicious PHP file and execute it on the server.
How to mitigate CVE-2026-48939
Install updates from vendor's website.