Path Traversal in Boazsegev Facil.io

CVE-2026-16653

A security flaw has been discovered in boazsegev facil.io up to 0.7.58. This affects the function http_sendfile2 of the file lib/facil/http/http.c of the component Public Folder Handler. Performing a manipulation results in path traversal. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.007 (50.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-16653?
CVE-2026-16653 is a medium-severity vulnerability in Boazsegev Facil.io, classified under Path Traversal. CVSS score: 5.3/10. Published 2026-07-23.
How severe is CVE-2026-16653?
Medium severity. CVSS v3 base score is 5.3 out of 10.