{"id":27525,"date":"2026-09-23T00:31:17","date_gmt":"2026-09-22T16:31:17","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-79913"},"modified":"2026-09-23T00:31:17","modified_gmt":"2026-09-22T16:31:17","slug":"cve-2026-79913","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-79913","title":{"rendered":"CVE-2026-79913 [MEDIUM] &#8211; Cloudreve is a self-hosted file management and sharing system. Prior to 4.18.0, the Valida"},"content":{"rendered":"<p>Cloudreve is a self-hosted file management and sharing system. Prior to 4.18.0, the ValidateExternalURL server-side request forgery guard in pkg\/request\/ssrf.go passes resolved addresses to checkIP without decoding NAT64, IPv4-compatible, and 6to4 IPv4-in-IPv6 transition forms. An authenticated user with remote-download access can provide SrcUri through RemoteDownloadTask.createDownloadTask so a wrapper embedding a loopback, private, link-local, or cloud metadata IPv4 address is classified as public and fetched, exposing internal service responses and cloud instance credentials. IPv4-mapped IPv6 addresses remain blocked because Go converts that form with net.IP.To4. This issue is fixed in version 4.18.0.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cloudreve is a self-hosted file management and sharing system. Prior to 4.18.0, the ValidateExternalURL server-side request forgery guard in pkg\/request\/ssrf.go passes resolved addresses to checkIP wi<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-27525","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/27525","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln"}],"about":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/types\/vuln"}],"wp:attachment":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=27525"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=27525"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=27525"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}