{"id":76513,"date":"2026-02-06T21:58:25","date_gmt":"2026-02-06T18:28:25","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-23989-reva-public-link-exploit\/"},"modified":"2026-02-06T21:58:25","modified_gmt":"2026-02-06T18:28:25","slug":"cve-2026-23989-reva-public-link-exploit","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-23989-reva-public-link-exploit\/","title":{"rendered":"CVE-2026-23989 &#8211; REVA Public Link Exploit"},"content":{"rendered":"<p>CVE ID : CVE-2026-23989<\/p>\n<p>Published :  Feb. 6, 2026, 6:28 p.m. | 50\u00a0minutes ago<\/p>\n<p>Description : REVA is an interoperability platform. Prior to 2.42.3 and 2.40.3, a bug in the GRPC authorization middleware of the &#8220;Reva&#8221; component of OpenCloud allows a malicious user to bypass the scope verification of a public link. By exploiting this via the the &#8220;archiver&#8221; service this can be leveraged to create an archive (zip or tar-file) containing all resources that this creator of the public link has access to. This vulnerability is fixed in 2.42.3 and 2.40.3.<\/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-2026-23989 Published : Feb. 6, 2026, 6:28 p.m. | 50\u00a0minutes ago Description : REVA is an interoperability platform. Prior to 2.42.3 and 2.40.3, a bug in the GRPC authorization middleware of the &#8220;Reva&#8221; component of OpenCloud allows a malicious user to bypass the scope verification of a public link. By exploiting this &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-76513","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/76513","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=76513"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/76513\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=76513"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=76513"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=76513"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}