CVE-2026-104441

Medium

Description

YesWiki before 4.6.7 contains an unauthenticated server-side request forgery vulnerability that allows remote attackers to make the server fetch arbitrary hosts and ports via the {{valeur}} action's url parameter. Attackers can submit the action through the content parameter of handlers/page/render.php to probe internal HTTP services and read back response content matching fiche markup.

SeverityMedium

CVSS5.3

Exploit probability—

Product

Yeswiki

PublishedOct 2, 2026

First seenOct 2, 2026

Weakness typeCWE-918Server-side request forgery (SSRF)

How to fix

Update

YesWiki yeswiki4.6.7 or later

Vendor advisories

github.com/YesWiki/yeswiki/security/advisories/GHSA-pghp-rrp4-q666

Affected products

Product	Affected versions	Fixed in
YesWiki yeswiki	v < 4.6.7	4.6.7

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