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CVE-2025-68616 WeasyPrint helps web developers to create PDF documents

Description

WeasyPrint helps web developers to create PDF documents. Prior to version 68.0, a server-side request forgery (SSRF) protection bypass exists in WeasyPrint's `default_url_fetcher`. The vulnerability allows attackers to access internal network resources (such as `localhost` services or cloud metadata endpoints) even when a developer has implemented a custom `url_fetcher` to block such access. This occurs because the underlying `urllib` library follows HTTP redirects automatically without re-validating the new destination against the developer's security policy. Version 68.0 contains a patch for the issue.

Affected products and versions

Product Affected versions Fixed in
WeasyPrint 68.0 earliest → < 68.0 68.0
Red Hat Ansible Automation Platform 2 Versions not published

References

Timeline

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The 5 CVEs of WeasyPrint →
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