{"id":81427,"date":"2026-07-03T09:48:44","date_gmt":"2026-07-03T06:18:44","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-9547-ssh-improper-host-validation\/"},"modified":"2026-07-03T09:48:44","modified_gmt":"2026-07-03T06:18:44","slug":"cve-2026-9547-ssh-improper-host-validation","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-9547-ssh-improper-host-validation\/","title":{"rendered":"CVE-2026-9547 &#8211; SSH improper host validation"},"content":{"rendered":"<p>CVE ID :CVE-2026-9547<\/p>\n<p>  Published : July 3, 2026, 6:18 a.m. | 1\u00a0hour, 28\u00a0minutes ago<\/p>\n<p>  Description :When a libcurl-based application performs transfers via `SCP:\/\/` or `SFTP:\/\/`<br \/>\nand utilizes the `CURLOPT_SSH_KEYFUNCTION` callback, it may silently accept an<br \/>\nuntrusted server. This vulnerability occurs when a server presents a host key<br \/>\ntype that does not match the specific key type already recorded for that host<br \/>\nin the `known_hosts` file. Instead of rejecting the mismatch, the callback<br \/>\nmechanism fails to properly enforce the restriction, allowing the connection<br \/>\nto succeed without warning and risking a potential man-in-the-middle attack.<\/p>\n<p>  Severity: 0.0 | NA<\/p>\n<p>  Visit the link for more details, such as CVSS details, affected products, timeline, and more&#8230;\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CVE ID :CVE-2026-9547 Published : July 3, 2026, 6:18 a.m. | 1\u00a0hour, 28\u00a0minutes ago Description :When a libcurl-based application performs transfers via `SCP:\/\/` or `SFTP:\/\/` and utilizes the `CURLOPT_SSH_KEYFUNCTION` callback, it may silently accept an untrusted server. This vulnerability occurs when a server presents a host key type that does not match the specific key &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-81427","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/81427","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/comments?post=81427"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/81427\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=81427"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=81427"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=81427"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}