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prebid-server's request forgery vulnerability allows for possible host environment data extraction

Collected exploitation and prediction evidence

Risk source coverage

CISA KEV is observed exploitation evidence. FIRST EPSS is a dated prediction of exploitation in the next 30 days. Missing scores are unknown. This collector requests predictions only for explicit CVE aliases in the public NuGet archive; Microsoft release views retain their existing prediction scope.

No collected risk observation for these identifiers. This does not establish absence of exploitation or a zero probability.

Dated risk observations

Risk history is separate from CNA/OSV content history. Daily score drift is retained but only an upward crossing of 10% triggers the prediction change event.

Immutable source observations

4 recorded revisions

Each citation identifies one complete source statement. Source modification dates and the time this installation observed them are distinct. Latest history includes records historically associated by source identifiers; a removed alias is not a current equivalence claim. Exact citations show that source record's own earlier observations. Failed reads and unchanged polls do not rewrite history.

25 Oct 2026 13:17:34 UTC

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 prope…

nvd · CVE-2026-54735 · Published

24 Oct 2026 13:19:41 UTC

prebid-server's request forgery vulnerability allows for possible host environment data extraction

osv · GHSA-4p3g-4hcj-wpvx · Published

24 Oct 2026 13:19:41 UTC

Server-side request forgery in bidder adapters in github.com/prebid/prebid-server/v4

osv · GO-2026-6139 · Published

23 Oct 2026 15:48:27 UTC

prebid-server's request forgery vulnerability allows for possible host environment data extraction

cve-program · CVE-2026-54735 · Published

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 26 Oct 08:27 UTC · 272 of 272 readable · 270 fully read · documentation 469/469 current