{"schema_version":1,"title":"Ylianst vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 6 vulnerabilities in Ylianst: 0 in the last 7 days and 3 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, MeshCentral stored XSS via unsanitized agent data fields, was published on 18 August 2026. 1 technology has a page of its own.","url":"https://junglewise.ai/threats/vendors/ylianst","json_url":"https://junglewise.ai/threats/vendors/ylianst.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/vendors/ylianst","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"vendor","counts":{"high":2,"all_time":6,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":3,"last_365_days":3},"latest":[{"cvss":3.1,"slug":"meshcentral-stored-xss-via-unsanitized-agent-data-fields-1a02baa8","title":"MeshCentral stored XSS via unsanitized agent data fields","severity":"low","exploited":false,"published_at":"2026-08-18T20:09:35+00:00","url":"https://junglewise.ai/threats/meshcentral-stored-xss-via-unsanitized-agent-data-fields-1a02baa8"},{"cvss":8.3,"slug":"meshcentral-stored-xss-via-unsanitized-agent-fields-1e9bee49","title":"MeshCentral stored XSS via unsanitized agent fields","severity":"high","exploited":false,"published_at":"2026-08-18T20:09:35+00:00","url":"https://junglewise.ai/threats/meshcentral-stored-xss-via-unsanitized-agent-fields-1e9bee49"},{"cve":"CVE-2026-66420","cvss":8.8,"slug":"cve-2026-66420-meshcentral-websocket-hijacking-bypass-in-webserver-js","title":"MeshCentral WebSocket hijacking bypass in webserver.js","severity":"high","exploited":false,"published_at":"2026-07-30T23:16:53.527+00:00","url":"https://junglewise.ai/threats/cve-2026-66420-meshcentral-websocket-hijacking-bypass-in-webserver-js"},{"cve":"CVE-2023-51838","cvss":3.1,"epss":0.0053,"slug":"cve-2023-51838-ylianst-meshcentral-weak-cryptographic-algorithm","title":"Ylianst MeshCentral weak cryptographic algorithm","severity":"low","exploited":false,"published_at":"2024-02-02T18:30:32+00:00","url":"https://junglewise.ai/threats/cve-2023-51838-ylianst-meshcentral-weak-cryptographic-algorithm"},{"cve":"CVE-2023-51837","cvss":3.1,"epss":0.0047,"slug":"cve-2023-51837-ylianst-meshcentral-missing-ssl-certificate-validation","title":"Ylianst MeshCentral missing SSL certificate validation","severity":"low","exploited":false,"published_at":"2024-01-30T03:30:30+00:00","url":"https://junglewise.ai/threats/cve-2023-51837-ylianst-meshcentral-missing-ssl-certificate-validation"},{"cve":"CVE-2023-51842","cvss":3.1,"epss":0.0084,"slug":"cve-2023-51842-ylianst-meshcentral-algorithm-downgrade-in-tls","title":"Ylianst MeshCentral algorithm downgrade in TLS","severity":"low","exploited":false,"published_at":"2024-01-29T21:30:27+00:00","url":"https://junglewise.ai/threats/cve-2023-51842-ylianst-meshcentral-algorithm-downgrade-in-tls"}],"vendor":{"hub":true,"name":"Ylianst","slug":"ylianst","homepage":"https://github.com/ylianst","description":"Ylian Saint-Hilaire, known as Ylianst, is the developer of MeshCentral and related management tools.","url":"https://junglewise.ai/threats/vendors/ylianst"},"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":2},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"most_severe":[{"cve":"CVE-2026-66420","cvss":8.8,"slug":"cve-2026-66420-meshcentral-websocket-hijacking-bypass-in-webserver-js","title":"MeshCentral WebSocket hijacking bypass in webserver.js","severity":"high","exploited":false,"published_at":"2026-07-30T23:16:53.527+00:00","url":"https://junglewise.ai/threats/cve-2026-66420-meshcentral-websocket-hijacking-bypass-in-webserver-js"},{"cvss":8.3,"slug":"meshcentral-stored-xss-via-unsanitized-agent-fields-1e9bee49","title":"MeshCentral stored XSS via unsanitized agent fields","severity":"high","exploited":false,"published_at":"2026-08-18T20:09:35+00:00","url":"https://junglewise.ai/threats/meshcentral-stored-xss-via-unsanitized-agent-fields-1e9bee49"},{"cve":"CVE-2023-51842","cvss":3.1,"epss":0.0084,"slug":"cve-2023-51842-ylianst-meshcentral-algorithm-downgrade-in-tls","title":"Ylianst MeshCentral algorithm downgrade in TLS","severity":"low","exploited":false,"published_at":"2024-01-29T21:30:27+00:00","url":"https://junglewise.ai/threats/cve-2023-51842-ylianst-meshcentral-algorithm-downgrade-in-tls"},{"cve":"CVE-2023-51838","cvss":3.1,"epss":0.0053,"slug":"cve-2023-51838-ylianst-meshcentral-weak-cryptographic-algorithm","title":"Ylianst MeshCentral weak cryptographic algorithm","severity":"low","exploited":false,"published_at":"2024-02-02T18:30:32+00:00","url":"https://junglewise.ai/threats/cve-2023-51838-ylianst-meshcentral-weak-cryptographic-algorithm"},{"cve":"CVE-2023-51837","cvss":3.1,"epss":0.0047,"slug":"cve-2023-51837-ylianst-meshcentral-missing-ssl-certificate-validation","title":"Ylianst MeshCentral missing SSL certificate validation","severity":"low","exploited":false,"published_at":"2024-01-30T03:30:30+00:00","url":"https://junglewise.ai/threats/cve-2023-51837-ylianst-meshcentral-missing-ssl-certificate-validation"},{"cvss":3.1,"slug":"meshcentral-stored-xss-via-unsanitized-agent-data-fields-1a02baa8","title":"MeshCentral stored XSS via unsanitized agent data fields","severity":"low","exploited":false,"published_at":"2026-08-18T20:09:35+00:00","url":"https://junglewise.ai/threats/meshcentral-stored-xss-via-unsanitized-agent-data-fields-1a02baa8"}],"generated_at":"2026-09-26T09:11:00.170868+00:00","technologies":[{"name":"Ylianst MeshCentral","slug":"meshcentral","vulnerabilities":7,"url":"https://junglewise.ai/threats/technologies/meshcentral"}]}