CVE-2026-42596

Description

Gotenberg is a Docker-powered stateless API for PDF files. Prior to 8.31.0, the default deny-lists used by Gotenberg's downloadFrom feature and webhook feature are bypassable. Because the filter is regex-based and case-sensitive, an unauthenticated attacker can supply URLs such as http://[::ffff:127.0.0.1]:... and reach loopback or private HTTP services that the default deny-list is intended to block. This crosses a real security boundary because an external caller can force the server to make outbound requests to internal-only targets. This vulnerability is fixed in 8.31.0.

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Produits concernés

• gotenberg
• Thecodingmachine gotenberg

Scores CVSS

Faiblesses (CWE)

• CWE-918

Références

• https://github.com/gotenberg/gotenberg/security/advisories/GHSA-4vmc-gm8v-m35h ExploitMitigationVendor Advisory
• https://github.com/gotenberg/gotenberg/security/advisories/GHSA-4vmc-gm8v-m35h ExploitMitigationVendor Advisory

Ailleurs

• NVD
• CVE.org
• CIRCL Vulnerability-Lookup
• CERT-FR
• GitHub Advisories