EUVD-2026-4136

Backstage has a Possible SSRF when reading from allowed URL's in backend.reading.allow...

GHSA-Q2X5-4XJX-C6P9 Backstage has a Possible SSRF when reading from allowed URL's in `backend.reading.allow`

Impact The FetchUrlReader component, used by the catalog and other plugins to fetch content from URLs, followed HTTP redirects automatically. This allowed an attacker who controls a host listed in backend.reading.allow to redirect requests to internal or sensitive URLs that are not on the...

WordPress WPO365 plugin <= 40.0 - Server Side Request Forgery (SSRF) vulnerability

Server Side Request Forgery SSRF vulnerability discovered by Phat RiO - BlueRock in WordPress Plugin WPO365 versions = 40.0...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the createDocWithMd function, where unsanitized input in the markdown parameter is passed to downstream processing functions. An attacker can access arbitrary files on the server or interact with...

SiYuan vulnerable to Arbitrary file Read / SSRF

Summary Markdown feature allows unrestricted server side html-rendering which allows arbitary file read LFD and fully SSRF access We in @0xL4ugh @abdoghazy2015, @xtromera, @A-z4ki, @ZeyadZonkorany and @KarimTantawey During playing Null CTF 2025 that helps us solved a challenge with unintended way...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the createDocWithMd function, where unsanitized input in the markdown parameter is passed to downstream processing functions. An attacker can access arbitrary files on the server or interact with...

EUVD-2026-3296

Mailpit has a Server-Side Request Forgery SSRF via HTML Check API...

GHSA-6JXM-FV7W-RW5J Mailpit has a Server-Side Request Forgery (SSRF) via HTML Check API

Server-Side Request Forgery SSRF via HTML Check CSS Download The HTML Check feature /api/v1/message/ID/html-check is designed to analyze HTML emails for compatibility. During this process, the inlineRemoteCSS function automatically downloads CSS files from external tags to inline them for testing...

Backstage Code Issues and Vulnerabilities

Backstage is an open-source application developed by Backstage. It serves as an open platform for building developer portals. Versions of Backstage prior to 0.12.2, 0.13.2, 0.14.1, and 0.15.0 contained code vulnerabilities. These vulnerabilities stemmed from the FetchUrlReader component’s automat...

VulnCheck KEV: CVE-2021-27670

Appspace 6.2.4 allows SSRF via the api/v1/core/proxy/jsonprequest url parameter...

PT-2026-3880

Backstage is an open framework for building developer portals, and @backstage/backend-defaults provides the default implementations and setup for a standard Backstage backend app. Prior to versions 0.12.2, 0.13.2, 0.14.1, and 0.15.0, the FetchUrlReader component, used by the catalog and other...

Konica Bizhub Multifunction Printers Server-Side Request Forgery (CVE-2024-51980)

An unauthenticated attacker may perform a limited server side request forgery SSRF, forcing the target device to open a TCP connection to an arbitrary port number on an arbitrary IP address. This SSRF leverages the WS-Addressing ReplyTo element in a Web service HTTP TCP port 80 SOAP request. The...

Security update for python-weasyprint (important)

openSUSE security update: security update for python-weasyprint ------------------------------------------------------------- Announcement ID: openSUSE-SU-2026:20069-1 Rating: important References: bsc1256936 Cross-References: CVE-2025-68616 CVSS scores: CVE-2025-68616 SUSE : 7.5...

OPENSUSE-SU-2026:20069-1 Security update for python-weasyprint

This update for python-weasyprint fixes the following issues: Changes in python-weasyprint: - CVE-2025-68616: Fixed a server-side request forgery in default fetcher boo1256936...

GHSA-983W-RHVV-GWMV WeasyPrint has a Server-Side Request Forgery (SSRF) Protection Bypass via HTTP Redirect

Summary A Server-Side Request Forgery SSRF Protection Bypass exists in WeasyPrint's defaulturlfetcher. 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 urlfetcher to block...

WeasyPrint has a Server-Side Request Forgery (SSRF) Protection Bypass via HTTP Redirect

Summary A Server-Side Request Forgery SSRF Protection Bypass exists in WeasyPrint's defaulturlfetcher. 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 urlfetcher to block...

EUVD-2025-206301

WeasyPrint has a Server-Side Request Forgery SSRF Protection Bypass via HTTP Redirect...

Server-Side Request Forgery (SSRF)

Umbraco CMS is vulnerable to Server-Side Request Forgery SSRF. The vulnerability is due to improper validation of the baseUrl parameter in dashboard and help controller endpoints, which allows an attacker to craft requests that force the server to make unauthorized requests to external hosts...

CVE-2026-1180 Org.keycloak.protocol.oidc: blind server-side request forgery (ssrf) in keycloak oidc dynamic client registration via jwks_uri

A flaw was identified in Keycloak’s OpenID Connect Dynamic Client Registration feature when clients authenticate using privatekeyjwt. The issue allows a client to specify an arbitrary jwksuri, which Keycloak then retrieves without validating the destination. This enables attackers to coerce the...

CVE-2026-1180

CVE-2026-1180 describes a SSRF risk in Keycloak’s OpenID Connect Dynamic Client Registration when using private_key_jwt. A client can specify an arbitrary jwks_uri, and Keycloak fetches it without validating the destination, potentially making HTTP requests to internal or restricted network resou...