{"id":69417,"date":"2025-09-03T20:31:59","date_gmt":"2025-09-03T17:01:59","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2025-9901-apache-libsoup-vary-header-ignored-cache-vulnerability\/"},"modified":"2025-09-03T20:31:59","modified_gmt":"2025-09-03T17:01:59","slug":"cve-2025-9901-apache-libsoup-vary-header-ignored-cache-vulnerability","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2025-9901-apache-libsoup-vary-header-ignored-cache-vulnerability\/","title":{"rendered":"CVE-2025-9901 &#8211; Apache Libsoup Vary Header Ignored Cache Vulnerability"},"content":{"rendered":"<p><strong>CVE ID : <\/strong>CVE-2025-9901<br \/>\n<br \/>\n<strong>Published : <\/strong> Sept. 3, 2025, 1:15 p.m. | 1\u00a0hour, 52\u00a0minutes ago<br \/>\n<br \/>\n<strong>Description : <\/strong>A flaw was found in libsoup\u2019s caching mechanism, SoupCache, where the HTTP Vary header is ignored when evaluating cached responses. This header ensures that responses vary appropriately based on request headers such as language or authentication. Without this check, cached content can be incorrectly reused across different requests, potentially exposing sensitive user information. While the issue is unlikely to affect everyday desktop use, it could result in confidentiality breaches in proxy or multi-user environments.<br \/>\n<br \/>\n<strong>Severity:<\/strong> 5.9 | MEDIUM<br \/>\n<br \/>\nVisit the link for more details, such as CVSS details, affected products, timeline, and more&#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CVE ID : CVE-2025-9901 Published : Sept. 3, 2025, 1:15 p.m. | 1\u00a0hour, 52\u00a0minutes ago Description : A flaw was found in libsoup\u2019s caching mechanism, SoupCache, where the HTTP Vary header is ignored when evaluating cached responses. This header ensures that responses vary appropriately based on request headers such as language or authentication. Without this &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-69417","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/69417","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=69417"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/69417\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=69417"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=69417"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=69417"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}