{"id":"CVE-2026-16632","state":"PUBLISHED","title":"boazsegev facil.io WebSocket Frame websocket_parser.h websocket_on_protocol_error input validation","description":"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.","publishedAt":"2026-07-22T23:45:10.246Z","updatedAt":"2026-07-23T15:36:53.311Z","severity":{"score":6.9,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","source":"VulDB"},"assigner":"VulDB","products":["boazsegev facil.io"],"affected":[{"vendor":"boazsegev","product":"facil.io","versions":[{"version":"0.7.0","status":"affected"},{"version":"0.7.1","status":"affected"},{"version":"0.7.2","status":"affected"},{"version":"0.7.3","status":"affected"},{"version":"0.7.4","status":"affected"}],"cpes":["cpe:2.3:a:boazsegev:facil.io:*:*:*:*:*:*:*:*"],"modules":["WebSocket Frame Parser"]}],"references":["https://vuldb.com/vuln/382382","https://vuldb.com/vuln/382382/cti","https://vuldb.com/cve/CVE-2026-16632","https://vuldb.com/submit/860585","https://github.com/boazsegev/facil.io/issues/169","https://github.com/boazsegev/facil.io/"],"weaknesses":["CWE-20"],"ingestedAt":"2026-10-29T20:11:00.674Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/16xxx/CVE-2026-16632.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-16632","state":"PUBLISHED","datePublished":"2026-07-22T23:45:10.246Z","dateUpdated":"2026-07-23T15:36:53.311Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2026-07-22T16:13:01.618Z"},"containers":{"cna":{"title":"boazsegev facil.io WebSocket Frame websocket_parser.h websocket_on_protocol_error input validation","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"boazsegev","product":"facil.io","versions":[{"version":"0.7.0","status":"affected"},{"version":"0.7.1","status":"affected"},{"version":"0.7.2","status":"affected"},{"version":"0.7.3","status":"affected"},{"version":"0.7.4","status":"affected"}],"cpes":["cpe:2.3:a:boazsegev:facil.io:*:*:*:*:*:*:*:*"],"modules":["WebSocket Frame Parser"]}],"references":[{"url":"https://vuldb.com/vuln/382382","name":"VDB-382382 | boazsegev facil.io WebSocket Frame websocket_parser.h websocket_on_protocol_error input validation","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/382382/cti","name":"VDB-382382 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-16632","name":"CVE-2026-16632 | CVE Analysis and Report","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/860585","name":"Submit #860585 | facil.io <= 0.7.4 Improper Input Validation","tags":["third-party-advisory"]},{"url":"https://github.com/boazsegev/facil.io/issues/169","tags":["exploit","issue-tracking"]},{"url":"https://github.com/boazsegev/facil.io/","tags":["product"]}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":6.9,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","baseSeverity":"MEDIUM"}},{"cvssV3_1":{"version":"3.1","baseScore":7.3,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R","baseSeverity":"HIGH"}},{"cvssV3_0":{"version":"3.0","baseScore":7.3,"vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R","baseSeverity":"HIGH"}},{"cvssV2_0":{"version":"2.0","baseScore":7.5,"vectorString":"AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-20","type":"CWE","lang":"en","description":"Improper Input Validation"}]}],"providerMetadata":{"shortName":"VulDB","orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateUpdated":"2026-07-22T23:45:10.246Z"},"timeline":[{"time":"2026-07-22T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-07-22T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-07-22T18:18:08.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"Fantasy_2026 (VulDB User)","type":"reporter"},{"lang":"en","value":"VulDB CNA Team","type":"coordinator"}]},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://vuldb.com/submit/860585","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-23T15:34:33.430401Z","id":"CVE-2026-16632","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-23T15:36:53.311Z"}}]}}}