{"id":79232,"date":"2026-06-03T09:46:35","date_gmt":"2026-06-03T06:16:35","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-50052-varnish-cache-http-2-request-smuggling\/"},"modified":"2026-06-03T09:46:35","modified_gmt":"2026-06-03T06:16:35","slug":"cve-2026-50052-varnish-cache-http-2-request-smuggling","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-50052-varnish-cache-http-2-request-smuggling\/","title":{"rendered":"CVE-2026-50052 &#8211; Varnish Cache HTTP\/2 Request Smuggling"},"content":{"rendered":"<p>CVE ID :CVE-2026-50052<\/p>\n<p>  Published : June 3, 2026, 6:16 a.m. | 16\u00a0minutes ago<\/p>\n<p>  Description :In Vinyl Cache before 9.0.1 and Varnish Cache before 9.0.3, a deficiency in HTTP\/2 request parsing can be exploited to launch a backend request desync<br \/>\nattack (request smuggling), which in turn can be used for cache poisoning,<br \/>\nauthentication bypass, or possibly even information disclosure and manipulation. The attack vector only exists if HTTP\/2 support is enabled by setting the<br \/>\nfeature parameter to contain +http2. HTTP\/2 support is disabled by<br \/>\ndefault.<\/p>\n<p>  Severity: 2.3 | LOW<\/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-2026-50052 Published : June 3, 2026, 6:16 a.m. | 16\u00a0minutes ago Description :In Vinyl Cache before 9.0.1 and Varnish Cache before 9.0.3, a deficiency in HTTP\/2 request parsing can be exploited to launch a backend request desync attack (request smuggling), which in turn can be used for cache poisoning, authentication bypass, or possibly &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-79232","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/79232","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=79232"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/79232\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=79232"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=79232"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=79232"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}