{"id":"JLSEC-2026-77","details":"OpenSSH before 10.3 omits connection multiplexing confirmation for proxy-mode multiplexing sessions.","modified":"2026-07-18T00:02:23.368423877Z","published":"2026-04-09T21:32:46.691Z","upstream":["CVE-2026-35388","EUVD-2026-18404"],"database_specific":{"license":"CC-BY-4.0","sources":[{"imported":"2026-07-17T22:39:06.524Z","modified":"2026-06-17T10:40:30.387Z","published":"2026-04-02T17:16:27.947Z","url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-35388","html_url":"https://nvd.nist.gov/vuln/detail/CVE-2026-35388","database_specific":{"status":"Analyzed"},"id":"CVE-2026-35388"},{"modified":"2026-04-02T18:16:41Z","published":"2026-04-02T16:57:31Z","url":"https://euvdservices.enisa.europa.eu/api/enisaid?id=EUVD-2026-18404","html_url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-18404","id":"EUVD-2026-18404","imported":"2026-07-17T22:39:16.368Z"}]},"references":[{"type":"WEB","url":"https://marc.info/?l=openssh-unix-dev&m=177513443901484&w=2"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-35388"},{"type":"WEB","url":"https://www.openssh.org/releasenotes.html#10.3p1"},{"type":"WEB","url":"https://www.openwall.com/lists/oss-security/2026/04/02/3"}],"affected":[{"package":{"name":"OpenSSH_jll","ecosystem":"Julia","purl":"pkg:julia/OpenSSH_jll?uuid=9bd350c2-7e96-507f-8002-3f2e150b4e1b"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"10.3.1+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-77.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N"}]}