CVE-2026-104446

MediumCVSS 6.5/10Last modified Oct 2, 2026

Description

YesWiki before 4.6.7 contains an authentication bypass in the contact mail AJAX handler that allows unauthenticated attackers to send email through the wiki's SMTP server. Attackers can POST an XMLHttpRequest to the mail handler without field or type parameters, supplying arbitrary recipient, sender, subject and body for spam and phishing.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

Weakness enumeration

CWE-306

Affected software

No affected versions have been published.

Timeline

Published
Oct 2, 2026
Last modified
Oct 2, 2026
NVD status
Deferred

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CVE-2026-104446: Medium severity, CVSS 6.5 | Vulnix