{"id":77606,"date":"2026-02-21T01:59:45","date_gmt":"2026-02-20T22:29:45","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-27125-svelte-ssr-attribute-spreading-includes-inherited-properties-from-prototype-chain\/"},"modified":"2026-02-21T01:59:45","modified_gmt":"2026-02-20T22:29:45","slug":"cve-2026-27125-svelte-ssr-attribute-spreading-includes-inherited-properties-from-prototype-chain","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-27125-svelte-ssr-attribute-spreading-includes-inherited-properties-from-prototype-chain\/","title":{"rendered":"CVE-2026-27125 &#8211; Svelte SSR attribute spreading includes inherited properties from prototype chain"},"content":{"rendered":"<p>CVE ID : CVE-2026-27125<\/p>\n<p>Published :  Feb. 20, 2026, 10:29 p.m. | 33\u00a0minutes ago<\/p>\n<p>Description : svelte performance oriented web framework. Prior to 5.51.5, in server-side rendering, attribute spreading on elements (e.g. ) enumerates inherited properties from the object&#8217;s prototype chain rather than only own properties. In environments where Object.prototype has already been polluted \u2014 a precondition outside of Svelte&#8217;s control \u2014 this can cause unexpected attributes to appear in SSR output or cause SSR to throw errors. Client-side rendering is not affected. This vulnerability is fixed in 5.51.5.<\/p>\n<p>Severity: 0.0 | NA<\/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-2026-27125 Published : Feb. 20, 2026, 10:29 p.m. | 33\u00a0minutes ago Description : svelte performance oriented web framework. Prior to 5.51.5, in server-side rendering, attribute spreading on elements (e.g. ) enumerates inherited properties from the object&#8217;s prototype chain rather than only own properties. In environments where Object.prototype has already been polluted \u2014 &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-77606","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/77606","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=77606"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/77606\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=77606"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=77606"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=77606"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}