CVE-2026-34752

HIGH SEVERITY

CVSS Score & Metrics

Base Score

7.5 / 10

Vector String

                                        CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H                                    

Vulnerability Description

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.

Vulnerability Details

Published Date

April 01, 2026

Last Modified

April 03, 2026

CWE ID

CWE-248

Source

GitHub

Vendor

npm

Product

Haraka

External References

https://github.com/haraka/Haraka/security/advisories/GHSA-xph3-r2jf-4vp3
https://github.com/advisories/GHSA-xph3-r2jf-4vp3

CVE-2026-34752

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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