{"id":78918,"date":"2026-05-27T15:47:15","date_gmt":"2026-05-27T12:17:15","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-9689-keycloak-org-keycloak-protocol-oidc-http-parameter-pollution-in-oidc-redirect-uri-allows-response-parameter-duplication-ghi-604\/"},"modified":"2026-05-27T15:47:15","modified_gmt":"2026-05-27T12:17:15","slug":"cve-2026-9689-keycloak-org-keycloak-protocol-oidc-http-parameter-pollution-in-oidc-redirect-uri-allows-response-parameter-duplication-ghi-604","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-9689-keycloak-org-keycloak-protocol-oidc-http-parameter-pollution-in-oidc-redirect-uri-allows-response-parameter-duplication-ghi-604\/","title":{"rendered":"CVE-2026-9689 &#8211; Keycloak: org.keycloak.protocol.oidc: http parameter pollution in oidc redirect uri allows response parameter duplication &#8211; #ghi-604"},"content":{"rendered":"<p>CVE ID :CVE-2026-9689<\/p>\n<p>  Published : May 27, 2026, 12:17 p.m. | 14\u00a0minutes ago<\/p>\n<p>  Description :A flaw was found in Keycloak, an open-source identity and access management solution. When a client application is configured to accept broad redirect Uniform Resource Identifiers (URIs), a remote attacker can manipulate the authentication process by crafting a special web address. If a user clicks this link, the client application might incorrectly prioritize attacker-controlled information over legitimate data. This vulnerability, known as HTTP parameter pollution, could allow an attacker to bypass security measures or gain unauthorized access to resources.<\/p>\n<p>  Severity: 4.2 | 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-2026-9689 Published : May 27, 2026, 12:17 p.m. | 14\u00a0minutes ago Description :A flaw was found in Keycloak, an open-source identity and access management solution. When a client application is configured to accept broad redirect Uniform Resource Identifiers (URIs), a remote attacker can manipulate the authentication process by crafting a special web address. &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-78918","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/78918","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=78918"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/78918\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=78918"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=78918"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=78918"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}