CVE-2026-111658 SiteServer SSCMS through 7.4.0 Cross-Site Authorization Bypass via Channels API
PublishedSiteServer SSCMS through 7.4.0 contains an authorization bypass vulnerability in ChannelsController that allows site-scoped administrators to access other sites' channels by supplying foreign channel IDs. Attackers with Channels permission on one site can read and overwrite anoth...