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Vulnerability record · CVE-2025-68616 · published 19 January 2026

CVE-2025-68616: Kozea weasyprint open redirect vulnerability

Kozea · Weasyprint

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.

7.5 CVSS 3.1 High EPSS 0.71% · top 48.3% CWE-601 · Open redirectCWE-918 · Server-side request forgery (SSRF)
7.5CVSS 3.1 base score
0.71%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 2 tagged exploit
15 Jul 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/Kozea/WeasyPrint/commit/b6a14f0f3f4ce9c0c75c1a2d73cb1c5d43f0e565 Patch
https://github.com/Kozea/WeasyPrint/security/advisories/GHSA-983w-rhvv-gwmv ExploitThird Party Advisory
https://access.redhat.com/security/cve/CVE-2025-68616
https://bugzilla.redhat.com/show_bug.cgi?id=2430858
https://github.com/Kozea/WeasyPrint/security/advisories/GHSA-983w-rhvv-gwmv ExploitThird Party Advisory
https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-68616.json

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.4CVE-2024-28184Kozea weasyprint inclusion from untrusted sphere vulnerabilityWeasyPrint helps web developers to create PDF documents. Since version 61.0, there's a vulnerability which allows attaching content of arbitrary file…EPSS 0.63%4.7CVE-2012-0518Oracle Fusion Middleware SSO open redirect flawOracle Fusion Middleware 10.1.4.3.0 contains an unspecified open redirect vulnerability in the Application Server Single Sign-On component, tracked a…KEVEPSS 4.7%analysed6.1CVE-2021-38000Google Chrome Android Intents input validation open redirectChrome on Android before 95.0.4638.69 fails to properly validate untrusted input passed through Intents, allowing a crafted HTML page to redirect the…KEVEPSS 4.9%analysed

Source: NIST National Vulnerability Database (record CVE-2025-68616), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.