{"id":82625,"date":"2026-07-28T15:48:26","date_gmt":"2026-07-28T12:18:26","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-49332-openshift-oauth-proxy-openshift-oauth-proxy-underscore-header-smuggling-enables-identity-impersonation-on-wsgi-php-upstreams\/"},"modified":"2026-07-28T15:48:26","modified_gmt":"2026-07-28T12:18:26","slug":"cve-2026-49332-openshift-oauth-proxy-openshift-oauth-proxy-underscore-header-smuggling-enables-identity-impersonation-on-wsgi-php-upstreams","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-49332-openshift-oauth-proxy-openshift-oauth-proxy-underscore-header-smuggling-enables-identity-impersonation-on-wsgi-php-upstreams\/","title":{"rendered":"CVE-2026-49332 &#8211; Openshift\/oauth-proxy: openshift\/oauth-proxy: underscore header smuggling enables identity impersonation on wsgi\/php upstreams"},"content":{"rendered":"<p>CVE ID :CVE-2026-49332<\/p>\n<p>  Published : July 28, 2026, 12:18 p.m. | 21\u00a0minutes ago<\/p>\n<p>  Description :A flaw was found in openshift\/oauth-proxy. The proxy sets authenticated identity headers using only dash-variant keys (X-Forwarded-User) but does not strip underscore-variant keys (X_Forwarded_User) from incoming requests. WSGI and PHP frameworks normalize both variants to the same variable, allowing an authenticated low-privilege user to smuggle a forged identity that may override the legitimate authenticated identity in the upstream application.<\/p>\n<p>  Severity: 8.5 | HIGH<\/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-2026-49332 Published : July 28, 2026, 12:18 p.m. | 21\u00a0minutes ago Description :A flaw was found in openshift\/oauth-proxy. The proxy sets authenticated identity headers using only dash-variant keys (X-Forwarded-User) but does not strip underscore-variant keys (X_Forwarded_User) from incoming requests. WSGI and PHP frameworks normalize both variants to the same variable, allowing an authenticated &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-82625","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/82625","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=82625"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/82625\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=82625"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=82625"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=82625"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}