CVE-2026-16653: facil.io 0.7.0, 0.7.1, 0.7.2, 0.7.3, 0.7.4, 0.7.5, 0.7.6, 0.7.7, 0.7.8, 0.7.9, 0.7.10, 0.7.11, 0.7.12, 0.7.13, 0.7.14…

Affected technology

facil.io · 0.7.0, 0.7.1, 0.7.2, 0.7.3, 0.7.4, 0.7.5, 0.7.6, 0.7.7, 0.7.8, 0.7.9, 0.7.10, 0.7.11, 0.7.12, 0.7.13, 0.7.14, 0.7.15, 0.7.16, 0.7.17, 0.7.18, 0.7.19, 0.7.20, 0.7.21, 0.7.22, 0.7.23, 0.7.24, 0.7.25, 0.7.26, 0.7.27, 0.7.28, 0.7.29, 0.7.30, 0.7.31, 0.7.32, 0.7.33, 0.7.34, 0.7.35, 0.7.36, 0.7.37, 0.7.38, 0.7.39, 0.7.40, 0.7.41, 0.7.42, 0.7.43, 0.7.44, 0.7.45, 0.7.46, 0.7.47, 0.7.48, 0.7.49, 0.7.50, 0.7.51, 0.7.52, 0.7.53, 0.7.54, 0.7.55, 0.7.56, 0.7.57, 0.7.58
boazsegev

Description’s affected range: up to 0.7.58

Component: Public Folder Handler
Function: http_sendfile2
File: lib/facil/http/http.c

Attack conditions (VulDB, CVSS 4.0): Network (remote) · No privileges required · No user interaction required

What an attacker can do

VulDB’s CVSS 4.0 assessment (base score 5.5/10) rates confidentiality impact as low; integrity and availability impact as none. The description does not specify what an attacker can achieve beyond these rated impacts.