8.7
/ 10
HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
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.
Basic Information
ID
CVE-2026-34752
Source
GitHub_M
Published
Apr 2, 2026 at 18:42
Modified
Apr 3, 2026 at 15:47
Affected Product
Vendor
haraka
Product
Haraka
Version
< 3.1.4
Affected Versions
haraka Haraka < 3.1.4