CVE-2026-16632

A flaw has been found in boazsegev facil.io up to 0.7.4. Affected is the function websocket_on_protocol_error in the library lib/facil/http/parsers/websocket_parser.h of the component WebSocket Frame Parser. This manipulation of the argument on_message causes improper input validation. The attack can be initiated remotely. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.

CVSS v3 7.3 HIGH
CVSS v2.0 7.5 HIGH

7.3^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/boazsegev/facil.io/
https://github.com/boazsegev/facil.io/issues/169
https://vuldb.com/cve/CVE-2026-16632
https://vuldb.com/submit/860585
https://vuldb.com/vuln/382382
https://vuldb.com/vuln/382382/cti
https://vuldb.com/submit/860585

Configurations

No configuration.

History

No history.

Information

Published : 2026-07-23 00:16

Updated : 2026-07-23 16:17

NVD link : CVE-2026-16632

Mitre link : CVE-2026-16632

CVE.ORG link : CVE-2026-16632

JSON object : View

Products Affected

No product.

CWE

CWE-20

Improper Input Validation

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