{"id":80638,"date":"2026-06-16T18:46:41","date_gmt":"2026-06-16T15:16:41","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-47684-sync-in-server-ssrf-protection-bypass-via-ipv4-mapped-ipv6-addresses-in-regexpprivateip\/"},"modified":"2026-06-16T18:46:41","modified_gmt":"2026-06-16T15:16:41","slug":"cve-2026-47684-sync-in-server-ssrf-protection-bypass-via-ipv4-mapped-ipv6-addresses-in-regexpprivateip","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-47684-sync-in-server-ssrf-protection-bypass-via-ipv4-mapped-ipv6-addresses-in-regexpprivateip\/","title":{"rendered":"CVE-2026-47684 &#8211; Sync-in Server: SSRF protection bypass via IPv4-mapped IPv6 addresses in regExpPrivateIP"},"content":{"rendered":"<p>CVE ID :CVE-2026-47684<\/p>\n<p>  Published : June 16, 2026, 3:16 p.m. | 25\u00a0minutes ago<\/p>\n<p>  Description :Sync-in Server is a secure, open-source platform for file storage, sharing, collaboration, and syncing. Prior to version 2.3.0, the private IP blocklist regex used in the URL download feature does not match IPv4-mapped IPv6 addresses (e.g. ::ffff:127.0.0.1), allowing SSRF protection to be bypassed on dual-stack systems. Version 2.3.0 fixes the issue.<\/p>\n<p>  Severity: 7.7 | 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-2026-47684 Published : June 16, 2026, 3:16 p.m. | 25\u00a0minutes ago Description :Sync-in Server is a secure, open-source platform for file storage, sharing, collaboration, and syncing. Prior to version 2.3.0, the private IP blocklist regex used in the URL download feature does not match IPv4-mapped IPv6 addresses (e.g. ::ffff:127.0.0.1), allowing SSRF protection to &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-80638","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/80638","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=80638"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/80638\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=80638"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=80638"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=80638"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}