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Hono: Proxy Helper does not remove response headers listed in the `Connection` header

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

3 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 15:19:03 UTC

Hono is a Web application framework that provides support for any JavaScript runtime. From 4.7.0 to 4.12.33, the Proxy Helper proxy() function in hono/proxy does not remove response headers named by the origin's Connection header. Per RFC 9…

nvd · CVE-2026-71849 · Published

24 Oct 2026 13:17:17 UTC

Hono: Proxy Helper does not remove response headers listed in the `Connection` header

osv · GHSA-79qm-7rj5-m7r9 · Published

23 Oct 2026 15:48:27 UTC

Hono: Proxy Helper does not remove response headers listed in the `Connection` header

cve-program · CVE-2026-71849 · 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 00:50 UTC · 271 of 271 readable · 269 fully read · documentation 461/464 current