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.
References (2)
Core 2
Core References
X_Refsource_Confirm x_refsource_confirm
https://github.com/haraka/Haraka/security/advisories/GHSA-xph3-r2jf-4vp3
X_Refsource_Misc x_refsource_misc
https://github.com/haraka/Haraka/releases/tag/v3.1.4
Scores
CVSS v3
7.5
EPSS
0.0043
EPSS Percentile
34.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-248
Status
published
Products (3)
haraka/Haraka
< 3.1.4
haraka_project/haraka
< 3.1.4
npm/Haraka
0 - 3.1.4npm
Published
Apr 02, 2026
Tracked Since
Apr 03, 2026