CVE-2026-34752 — Haraka affected by DoS via `__proto__` email header
Haraka is a Node.js mail server. Prior to version 3.1.4, sending an email with __proto__: as a header name crashes the Haraka worker process. This issue has been patched in vers…
Published: 2026-04-02 · CVSS: 8.7 · CVSS 4.0
Haraka is a Node.js mail server. Prior to version 3.1.4, sending an email with __proto__: as a header name crashes the Haraka worker process. This issue has been patched in version 3.1.4.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7