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THREAT OPS › Threat News › [GHSA] GHSA-79qm-7rj5-m7r9 (low) — Hono: Proxy Helper does not remove response headers listed in the `Connection` header

[GHSA] GHSA-79qm-7rj5-m7r9 (low) — Hono: Proxy Helper does not remove response headers listed in the `Connection` header

medgithub_advisoriesPublished 2026-08-07

GHSA-79qm-7rj5-m7r9 Severity: low CVE: CVE-2026-71849

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

### Summary

The Proxy Helper (`hono/proxy`) does not remove response headers named by the origin's `Connection` header. Headers that the origin marked as connection-scoped are therefore forwarded to clients.

### Details

Per RFC 9110 Section 7.6.1, an inte

Indicators of compromise

CVE-2026-71849cve

Original source: https://github.com/advisories/GHSA-79qm-7rj5-m7r9