CVE-2026-16632 (GCVE-0-2026-16632)
Vulnerability from cvelistv5 – Published: 2026-07-22 23:45 – Updated: 2026-07-23 15:36
VLAI
EPSS
VEX
Title
boazsegev facil.io WebSocket Frame websocket_parser.h websocket_on_protocol_error input validation
Summary
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.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-23 15:34 UTC
CWE
- CWE-20 - Improper Input Validation
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/382382 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/382382/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-16632 | third-party-advisory |
| https://vuldb.com/submit/860585 | third-party-advisory |
| https://github.com/boazsegev/facil.io/issues/169 | exploitissue-tracking |
| https://github.com/boazsegev/facil.io/ | product |
Impacted products
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