{"id":80919,"date":"2026-06-22T20:44:40","date_gmt":"2026-06-22T17:14:40","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-54286-hono-path-traversal-in-serve-static-on-windows-via-encoded-backslash-%5c\/"},"modified":"2026-06-22T20:44:40","modified_gmt":"2026-06-22T17:14:40","slug":"cve-2026-54286-hono-path-traversal-in-serve-static-on-windows-via-encoded-backslash-%5c","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-54286-hono-path-traversal-in-serve-static-on-windows-via-encoded-backslash-%5c\/","title":{"rendered":"CVE-2026-54286 &#8211; Hono: Path traversal in `serve-static` on Windows via encoded backslash (`%5C`)"},"content":{"rendered":"<p>CVE ID :CVE-2026-54286<\/p>\n<p>  Published : June 22, 2026, 5:14 p.m. | 29\u00a0minutes ago<\/p>\n<p>  Description :Hono is a Web application framework that provides support for any JavaScript runtime. Prior to 4.12.25, on Windows hosts, an encoded backslash (%5C) in the request path decodes to , which the Windows path resolver treats as a separator. serve-static then resolves a single URL segment such as adminsecret.txt into a nested file under the root and serves it, letting an attacker read static files meant to be protected behind prefix-mounted middleware. This vulnerability is fixed in 4.12.25.<\/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-2026-54286 Published : June 22, 2026, 5:14 p.m. | 29\u00a0minutes ago Description :Hono is a Web application framework that provides support for any JavaScript runtime. Prior to 4.12.25, on Windows hosts, an encoded backslash (%5C) in the request path decodes to , which the Windows path resolver treats as a separator. serve-static then &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-80919","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/80919","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=80919"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/80919\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=80919"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=80919"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=80919"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}