{"id":"CLEANSTART-2026-CT85138","summary":"SSH servers which use CertChecker as a public key callback without setting IsUserAuthority or IsHostAuthority could be caused to panic by a client presenting a certificate","details":"Security vulnerability affects the consul package. SSH servers which use CertChecker as a public key callback without setting IsUserAuthority or IsHostAuthority could be caused to panic by a client presenting a certificate.","modified":"2026-10-02T00:45:08.907698732Z","published":"2026-10-02T00:35:54.136766Z","upstream":["CVE-2026-39835"],"database_specific":{},"references":[{"type":"ADVISORY","url":"https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-CT85138.json"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2026-39835"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-39835"}],"affected":[{"package":{"name":"consul","ecosystem":"CleanStart"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.21.5-r3"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-CT85138.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"}]}