CVE-2026-42596

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...

CVE-2026-42596 Gotenberg: Unauthenticated SSRF via default deny-list bypass in downloadFrom and webhook

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...

PT-2026-39661

Name of the Vulnerable Software and Affected Versions Gotenberg versions prior to 8.32.0 Description Gotenberg is a Docker-powered stateless API for PDF files. The Chromium URL-to-PDF endpoint '/forms/chromium/convert/url' lacks default protection against Server-Side Request Forgery SSRF for HTTP...

GHSA-4VMC-GM8V-M35H Gotenberg vulnerable to unauthenticated SSRF via default deny-list bypass in downloadFrom and webhook

Summary 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...

Gotenberg vulnerable to unauthenticated SSRF via default deny-list bypass in downloadFrom and webhook

Summary 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...

PT-2026-38386

Name of the Vulnerable Software and Affected Versions Gotenberg versions prior to 8.31.0 Description An unauthenticated attacker can bypass the default deny-lists used by the downloadFrom and webhook features. The issue occurs because the filtering logic uses case-sensitive regular expressions th...

XStream: remote code execution due to insecure XML deserialization when relying on blocklists

A flaw was found in xstream. An unsafe deserialization of user-supplied XML, in conjunction with relying on the default deny list, allows a remote attacker to perform a variety of attacks including a remote code execution of arbitrary code in the context of the JVM running the XStream application...

XStream: remote code execution due to insecure XML deserialization when relying on blocklists

A flaw was found in xstream. An unsafe deserialization of user-supplied XML, in conjunction with relying on the default deny list, allows a remote attacker to perform a variety of attacks including a remote code execution of arbitrary code in the context of the JVM running the XStream application...

XStream: remote code execution due to insecure XML deserialization when relying on blocklists

A flaw was found in xstream. An unsafe deserialization of user-supplied XML, in conjunction with relying on the default deny list, allows a remote attacker to perform a variety of attacks including a remote code execution of arbitrary code in the context of the JVM running the XStream application...