CVE-2026-16653

boazsegev facil.io Public Folder http.c http_sendfile2 path traversal

Published Jul 23, 2026 CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed

Description

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.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

boazsegev

facil.io

affected

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

No data.

Vendor Product Versions

Boazsegev

Facil.io

Version	Status	Scheme	Platform
`[0.7.0,0.7.58]`	affected	semver	—

Remediation

No solution or workaround provided in the CVE record

Tracking

Advisories

No advisories available

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.690% probability within 30 days)

Exploitation poc

Automatable yes

Technical Impact partial

References

Link	Providers
https://github.com/boazsegev/facil.io/
https://github.com/boazsegev/facil.io/issues/170
https://vuldb.com/cve/CVE-2026-16653
https://vuldb.com/submit/860587
https://vuldb.com/vuln/382396
https://vuldb.com/vuln/382396/cti

History

Jul 23, 2026 9:45 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Jul 23, 2026 1:45 AM Description updated. Title updated. First appearance in the feed. Weaknesses updated. Affected versions updated. Affected vendors updated. Added references. Scoring metrics updated View changes

Type	Values Removed	Values Added
Description		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.
Title		boazsegev facil.io Public Folder http.c http_sendfile2 path traversal
First Time appeared		Boazsegev Boazsegev facil.io
Weaknesses		CWE-22
CPEs		cpe:2.3:a:boazsegev:facil.io::::::::
Vendors & Products		Boazsegev Boazsegev facil.io
References		https://github.com/boazsegev/facil.io/ https://github.com/boazsegev/facil.io/issues/170 https://vuldb.com/cve/CVE-2026-16653 https://vuldb.com/submit/860587 https://vuldb.com/vuln/382396 https://vuldb.com/vuln/382396/cti
Metrics		cvssV2_0 `{'score': 5, 'vector': 'AV:N/AC:L/Au:N/C:P/I:N/A:N/E:POC/RL:ND/RC:UR'}` cvssV3_0 `{'score': 5.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R'}` cvssV3_1 `{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R'}` cvssV4_0 `{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P'}`