GO-2026-5132 Gotenberg vulnerable to unauthenticated SSRF via default deny-list bypass in downloadFrom and webhook in github.com/gotenberg/gotenberg

Gotenberg vulnerable to unauthenticated SSRF via default deny-list bypass in downloadFrom and webhook in github.com/gotenberg/gotenberg...

GHSA-VP73-VJW8-8F32 Gotenberg has a Race Condition via Multipart `downloadFrom` Handling

Summary Gotenberg is vulnerable to a remote denial of service in multipart downloadFrom handling. A multipart request containing multiple downloadFrom entries causes concurrent goroutines to write to shared maps without synchronization. This can terminate the process with fatal error: concurrent...

Gotenberg has a Race Condition via Multipart `downloadFrom` Handling

Summary Gotenberg is vulnerable to a remote denial of service in multipart downloadFrom handling. A multipart request containing multiple downloadFrom entries causes concurrent goroutines to write to shared maps without synchronization. This can terminate the process with fatal error: concurrent...

PT-2026-45015

Name of the Vulnerable Software and Affected Versions Gotenberg versions 8.10.0 through 8.x Description Gotenberg is susceptible to a remote denial of service due to a race condition when handling multipart requests. When a request contains multiple downloadFrom entries, the system initiates...

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...

CVE-2026-42596

CVE-2026-42596 describes an unauthenticated SSRF vulnerability in Gotenberg’s default deny-list filtering for the downloadFrom and webhook features. The issue arises because the deny-lists are regex-based and case-sensitive, allowing attacker-controlled URLs (e.g., IPv4-mapped IPv6 loopback forms...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the downloadFrom and webhook processes. An attacker can access internal network resources and potentially exfiltrate sensitive information or interact with internal-only services by supplying special...

Server-side Request Forgery (SSRF)

Overview github.com/gotenberg/gotenberg/v7/pkg/modules/chromium is a Docker-powered stateless API for PDF files. Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the downloadFrom and webhook processes. An attacker can access internal network resources and...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the downloadFrom and webhook processes. An attacker can access internal network resources and potentially exfiltrate sensitive information or interact with internal-only services by supplying special...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the downloadFrom and webhook processes. An attacker can access internal network resources and potentially exfiltrate sensitive information or interact with internal-only services by supplying special...

CVE-2026-40280 Gotenberg SSRF via case-insensitive URL scheme bypass in webhook and downloadFrom deny-lists

Gotenberg is an API-based document conversion tool. In versions 8.30.1 and earlier, the default private-IP deny-lists for the --webhook-deny-list and --api-download-from-deny-list flags use a case-sensitive regular expression ^https?:// to match URL schemes. Because Go's net/url.Parse normalizes...