CVE-2026-104446

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Source

https://cve.org/CVERecord?id=CVE-2026-104446

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-104446.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-104446

Aliases

GHSA-36fx-49jj-57rw

Published

2026-10-02T11:38:19Z

Modified

2026-10-04T02:46:36Z

Severity

6.9 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N CVSS Calculator

Summary

YesWiki before 4.6.7 Unauthenticated Open Mail Relay via Contact Mail Handler

Details

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.

Database specific

{
    "cna_assigner":  "VulnCheck",
    "cwe_ids":  [
        "CWE-306"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/104xxx/CVE-2026-104446.json"
}

References

Affected packages

Git / github.com/yeswiki/yeswiki

Affected ranges

Type

GIT

Repo

https://github.com/yeswiki/yeswiki

Events

Introduced

Fixed

07120ed8971047f504f7ec78060828f1895f475f

Database specific

Show details

{
    "extracted_events":  [
        {
            "introduced":  "0"
        },
        {
            "fixed":  "4.6.7"
        }
    ],
    "source":  [
        "AFFECTED_FIELD",
        "DESCRIPTION"
    ]
}

Affected versions

v4.*

v4.1.0

v4.1.5

v4.2.0

v4.2.1

v4.2.2

v4.3.0

v4.3.1

v4.4.0

v4.4.1

v4.4.2

v4.4.3

v4.5.1

v4.5.2

v4.5.3

v4.5.4

v4.5.5

v4.6.0

v4.6.2

v4.6.3

v4.6.4

v4.6.5

v4.6.6

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-104446.json"