{"id":82045,"date":"2026-07-15T22:48:38","date_gmt":"2026-07-15T19:18:38","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-62947-openwrt-acl-bypass-and-arbitrary-root-file-read-via-cgi-io-cgi-download\/"},"modified":"2026-07-15T22:48:38","modified_gmt":"2026-07-15T19:18:38","slug":"cve-2026-62947-openwrt-acl-bypass-and-arbitrary-root-file-read-via-cgi-io-cgi-download","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-62947-openwrt-acl-bypass-and-arbitrary-root-file-read-via-cgi-io-cgi-download\/","title":{"rendered":"CVE-2026-62947 &#8211; OpenWrt: ACL bypass and arbitrary root file read via cgi-io cgi-download"},"content":{"rendered":"<p>CVE ID :CVE-2026-62947<\/p>\n<p>  Published : July 15, 2026, 7:18 p.m. | 15\u00a0minutes ago<\/p>\n<p>  Description :OpenWrt is a Linux operating system targeting embedded devices. Prior to 25.12.5, the cgi-download handler in cgi-io authorizes the requested path against the caller&#8217;s ubus session file ACL before canonicalization, and rpcd session.c uses fnmatch() without FNM_PATHNAME, allowing traversal such as an allowed wildcard prefix followed by ..\/ to read root-readable files including \/etc\/shadow. This vulnerability is fixed in 25.12.5.<\/p>\n<p>  Severity: 4.9 | MEDIUM<\/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-2026-62947 Published : July 15, 2026, 7:18 p.m. | 15\u00a0minutes ago Description :OpenWrt is a Linux operating system targeting embedded devices. Prior to 25.12.5, the cgi-download handler in cgi-io authorizes the requested path against the caller&#8217;s ubus session file ACL before canonicalization, and rpcd session.c uses fnmatch() without FNM_PATHNAME, allowing traversal such as &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-82045","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/82045","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=82045"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/82045\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=82045"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=82045"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=82045"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}