CVE-2026-104446

6.5 MEDIUMpublic exploit available

Published 2026-10-02 · Updated 2026-10-02

AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.

NVD 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.

CVSS vector

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

Weaknesses

CWE-306

Public exploit & PoC references

https://github.com/YesWiki/yeswiki/security/advisories/GHSA-36fx-49jj-57rw
https://github.com/YesWiki/yeswiki/security/advisories/GHSA-36fx-49jj-57rw

All references

https://github.com/YesWiki/yeswiki/security/advisories/GHSA-36fx-49jj-57rw
https://www.vulncheck.com/advisories/yeswiki-before-4.6.7-unauthenticated-open-mail-relay-via-contact-mail-handler
https://github.com/YesWiki/yeswiki/security/advisories/GHSA-36fx-49jj-57rw

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.

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