{"attribution":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","cve":{"id":"CVE-2026-35388","sourceIdentifier":"cve@mitre.org","published":"2026-04-02T17:16:27.947","lastModified":"2026-07-24T21:10:00.143","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"OpenSSH before 10.3 omits connection multiplexing confirmation for proxy-mode multiplexing sessions."},{"lang":"es","value":"OpenSSH anterior a la versión 10.3 omite la confirmación de multiplexación de conexión para sesiones de multiplexación en modo proxy."}],"affected":[{"source":"cve@mitre.org","affectedData":[{"vendor":"OpenBSD","product":"OpenSSH","defaultStatus":"unaffected","versions":[{"version":"0","lessThan":"10.3","versionType":"custom","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"cve@mitre.org","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N","baseScore":2.5,"baseSeverity":"LOW","attackVector":"LOCAL","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":1.0,"impactScore":1.4},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N","baseScore":2.5,"baseSeverity":"LOW","attackVector":"LOCAL","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":1.0,"impactScore":1.4}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-04-02T17:46:05.234251Z","id":"CVE-2026-35388","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"cve@mitre.org","type":"Secondary","description":[{"lang":"en","value":"CWE-420"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*","versionEndExcluding":"10.3","matchCriteriaId":"F40F50BC-86AA-4D7F-88A5-A244CD7606F3"}]}]}],"references":[{"url":"https://marc.info/?l=openssh-unix-dev\u0026m=177513443901484\u0026w=2","source":"cve@mitre.org","tags":["Third Party Advisory"]},{"url":"https://www.openssh.org/releasenotes.html#10.3p1","source":"cve@mitre.org","tags":["Release Notes"]},{"url":"https://www.openwall.com/lists/oss-security/2026/04/02/3","source":"cve@mitre.org","tags":["Third Party Advisory"]}]}}