Missing Authentication for Critical Function Affecting yeswiki/yeswiki package, versions <4.6.7
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-PHP-YESWIKIYESWIKI-21717117
- published26 Oct 2026
- disclosed2 Oct 2026
- creditUnknown
Introduced: 2 Oct 2026
NewCVE-2026-104446 (opens in a new tab)How to fix?
Upgrade yeswiki/yeswiki to version 4.6.7 or higher.
Overview
Affected versions of this package are vulnerable to Missing Authentication for Critical Function via the contact mail AJAX handler. An attacker can send unauthorized emails by submitting crafted POST requests without required parameters, enabling the delivery of spam or phishing messages through the application's SMTP server.