{"id":81646,"date":"2026-07-07T18:46:48","date_gmt":"2026-07-07T15:16:48","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-53878-header-injection-possibility-since-domainnamevalidator-accepted-newlines-in-input\/"},"modified":"2026-07-07T18:46:48","modified_gmt":"2026-07-07T15:16:48","slug":"cve-2026-53878-header-injection-possibility-since-domainnamevalidator-accepted-newlines-in-input","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-53878-header-injection-possibility-since-domainnamevalidator-accepted-newlines-in-input\/","title":{"rendered":"CVE-2026-53878 &#8211; Header injection possibility since DomainNameValidator accepted newlines in input"},"content":{"rendered":"<p>CVE ID :CVE-2026-53878<\/p>\n<p>  Published : July 7, 2026, 3:16 p.m. | 31\u00a0minutes ago<\/p>\n<p>  Description :An issue was discovered in Django 6.0 before 6.0.7 and 5.2 before 5.2.16.<br \/>\n`DomainNameValidator` does not prohibit newlines in domain names (unless used via a form field, since `CharField` strips newlines). If an application uses values with newlines in an HTTP response, header injection can occur. Django itself is unaffected because `HttpResponse` prohibits newlines in HTTP headers.<br \/>\nEarlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.<br \/>\nDjango would like to thank Bence Nagy for reporting this issue.<\/p>\n<p>  Severity: 6.1 | 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-2026-53878 Published : July 7, 2026, 3:16 p.m. | 31\u00a0minutes ago Description :An issue was discovered in Django 6.0 before 6.0.7 and 5.2 before 5.2.16. `DomainNameValidator` does not prohibit newlines in domain names (unless used via a form field, since `CharField` strips newlines). If an application uses values with newlines in an HTTP &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-81646","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/81646","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=81646"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/81646\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=81646"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=81646"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=81646"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}