PT-2026-80383

In github.com/prebid/prebid-server/v4 before 4.4.0, multiple bidder adapters acuityads, bidmachine, relevantdigital, smartyads, tappx, trafficgate, zeroclickfraud interpolate user-supplied host and subdomain parameters into outbound request URLs without validation. A remote attacker can craft bid...

CVE-2026-54735: Server-Side Request Forgery (SSRF)

Prebid Server is an open-source solution for running real-time advertising auctions in the cloud. Prior to version 4.4.0, certain bidder adapters in Prebid Server interpolate user-supplied parameters into outbound request URLs without properly validating host and subdomain values, allowing crafte...