Input validation error in Piwigo - CVE-2026-85750
Published: July 20, 2026 / Updated: September 28, 2026
Vulnerability identifier: #VU138398
CSH Severity: Low
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-85750
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to insufficient validation of user-supplied input in image upload handling. A remote administrator can pass specially crafted input to the application and execute arbitrary code on the system.
Affected software
Piwigo
How to mitigate CVE-2026-85750
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.