PatchSiren

Prebid CVE debriefs

These pages are published after PatchSiren validates generated defensive summaries against stored public CVE and source evidence.

CRITICAL Prebid CVE published 2026-07-29

CVE-2026-54735

CVE-2026-54735 is a critical vulnerability in Prebid Server, a solution for running real-time advertising auctions in the cloud. The issue allows crafted bid request parameters to cause server-side requests to unintended destinations due to improper validation of host and subdomain values in certain bidder adapters. This could potentially expose internal network services or sensitive server endpoints. The [truncated]