{"id":78413,"date":"2026-05-13T11:58:19","date_gmt":"2026-05-13T08:28:19","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-6276-stale-custom-cookie-host-causes-cookie-leak\/"},"modified":"2026-05-13T11:58:19","modified_gmt":"2026-05-13T08:28:19","slug":"cve-2026-6276-stale-custom-cookie-host-causes-cookie-leak","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-6276-stale-custom-cookie-host-causes-cookie-leak\/","title":{"rendered":"CVE-2026-6276 &#8211; stale custom cookie host causes cookie leak"},"content":{"rendered":"<p>CVE ID :CVE-2026-6276<\/p>\n<p>  Published : May 13, 2026, 8:28 a.m. | 3\u00a0hours, 29\u00a0minutes ago<\/p>\n<p>  Description :Using libcurl, when a custom `Host:` header is first set for an HTTP request<br \/>\nand a second request is subsequently done using the same *easy handle* but<br \/>\nwithout the custom `Host:` header set, the second request would use stale<br \/>\ninformation and pass on cookies meant for the first host in the second<br \/>\nrequest. Leak them.<\/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-2026-6276 Published : May 13, 2026, 8:28 a.m. | 3\u00a0hours, 29\u00a0minutes ago Description :Using libcurl, when a custom `Host:` header is first set for an HTTP request and a second request is subsequently done using the same *easy handle* but without the custom `Host:` header set, the second request would use stale information &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-78413","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/78413","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=78413"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/78413\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=78413"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=78413"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=78413"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}