ZITADEL: Server-Side Request Forgery (SSRF) and Denylist Bypass in Outgoing HTTP Components

Summary A Server-Side Request Forgery SSRF vulnerability was discovered in Zitadel affecting: HTTP Notification Channels: Used as an alternative to SMTP/Twilio configurations, sending payloads to user-defined URLs via HTTP POST webhooks. OIDC BackChannel Logout: Terminates sessions across differe...

MindsDB -DNS Rebinding SSRF Protection Bypass

Detects DNS rebinding vulnerability that allows bypass of SSRF protection. The vulnerability exists in the URL validation mechanism where DNS resolution is performed without considering DNS rebinding attacks. id: CVE-2024-24759 info: name: MindsDB -DNS Rebinding SSRF Protection Bypass author: Lee...

CVE-2026-48764 TypeBot has SSRF in HTTP request and script fetch flows via DNS rebinding bypass

TypeBot is a chatbot builder tool. In versions prior to 3.17.2, SSRF validation is implemented by resolving a hostname once and checking whether the resolved IP belongs to a forbidden range allowing for DNS rebinding bypass. The root cause is a time-of-check to time-of-use gap in the SSRF guard...

CVE-2026-11624

The CVE-2026-11624 entry concerns the Model Context Protocol server where origin validation of the Origin header affects DNS rebinding risk. Before v0.25.0 there was no host validation; v0.25.0 introduces --allowed-hosts and --allowed-origins flags to specify permitted hosts at startup. Both flag...

PT-2026-49089

Name of the Vulnerable Software and Affected Versions Model Context Protocol versions prior to 0.25.0 Description Servers fail to validate the "Origin" header on incoming connections, which may allow DNS rebinding attacks. DNS rebinding is a method of bypassing the Same-Origin Policy to interact...

CVE-2026-53782

Summarize before 0.17.0 contains a server-side request forgery vulnerability that allows attackers who control a podcast RSS feed to direct the host to fetch transcript content from loopback addresses, link-local addresses, RFC 1918 private ranges, or other reserved destinations by supplying...

CVE-2026-3341 IBM Langflow Desktop 1.0.0 - 1.9.2 DNS Rebinding Bypasses SSRF Protection Allowing Access to Internal Services

IBM Langflow Desktop 1.0.0 through 1.9.2 IBM Langflow is vulnerable to server-side request forgery SSRF. This may allow an authenticated attacker to send unauthorized requests from the system, potentially leading to network enumeration or facilitating other attacks...

CVE-2026-3341 IBM Langflow Desktop 1.0.0 - 1.9.2 DNS Rebinding Bypasses SSRF Protection Allowing Access to Internal Services

IBM Langflow Desktop 1.0.0 through 1.9.2 IBM Langflow is vulnerable to server-side request forgery SSRF. This may allow an authenticated attacker to send unauthorized requests from the system, potentially leading to network enumeration or facilitating other attacks...

CVE-2026-3341

CVE-2026-3341 affects IBM Langflow Desktop 1.0.0–1.9.2. The root cause is a TOCTOU DNS rebinding flaw in SSRF protection: validate_url_for_ssrf() uses socket.getaddrinfo(), while httpx.AsyncClient() conducts a separate DNS lookup during connection, allowing an attacker-controlled DNS domain with ...

Security Bulletin: IBM Langflow Desktop 1.0.0 - 1.9.2 DNS Rebinding Bypasses SSRF Protection Allowing Access to Internal Services

Summary A Time-of-Check to Time-of-Use TOCTOU vulnerability in IBM Langflow Desktop's SSRF protection allows authenticated attackers to bypass internal network access restrictions using DNS rebinding attacks. The validateurlforssrf function validates URLs using socket.getaddrinfo, but...

Security Bulletin: IBM Datapower Operations Dashboard is vulnerable to Insecure Default Initialization of Resource CVE-2025-66414

Summary MCP TypeScript SDK is used by the IBM Datapower Operations Dashboard to implement the Model Context Protocol MCP using Node.js Vulnerability Details CVEID:CVE-2025-66414 DESCRIPTION: MCP TypeScript SDK is the official TypeScript SDK for Model Context Protocol servers and clients. Prior to...

glitchtip-dns-rebinding-gap-poc

GlitchTip DNS rebinding gap PoC This PoC models the DNS rebin...

CVE-2026-36604

Mercusys AC12G EU V1 router with firmware AC12GEUV1200909 does not validate the HTTP Host header, enabling DNS rebinding attacks. An external attacker can rebind a domain to the router's internal IP address, extending the CORS wildcard vulnerability Access-Control-Allow-Origin: to...

CVE-2026-33659

EspoCRM is an open source customer relationship management application. In versions 9.3.3 and below, the POST /api/v1/Attachment/fromImageUrl endpoint is vulnerable to Server-Side Request Forgery SSRF via a DNS rebinding TOCTOU condition. Host validation uses dnsgetrecord but the actual HTTP...

CVE-2026-45619

WWBN AVideo is an open source video platform. In 29.0 and earlier, EpgParser.php, plugin/AI/receiveAsync.json.php, and other locations do not use the $resolvedIP out-param of isSSRFSafeURL for DNS pinning via CURLOPTRESOLVE, opening DNS-rebinding TOCTOU...

CVE-2026-42194

Admidio is an open-source user management solution. Prior to version 5.0.9, the incomplete SSRF fix in Admidio's fetchmetadata.php validates the resolved IP address but passes the original hostname-based URL to curlinit, leaving a DNS rebinding TOCTOU window that allows redirecting requests to...

CVE-2026-41688

Wallos is an open-source, self-hostable personal subscription tracker. In versions 4.8.4 and prior, the incomplete SSRF fix in Wallos validates webhook URLs via gethostbyname but passes the original hostname to cURL without CURLOPTRESOLVE pinning on 10 of 11 outbound HTTP endpoints, leaving a DNS...

CVE-2026-9739

Vulnerable to DNS rebinding attacks when using SSE http://b/499408790. During the beta phase, we implemented allowed-origins and allowed-hosts flags to align with MCP security guidelines. However, the hardcoded Access-Control-Allow-Origin: header in the SSE initialization handler was inadvertentl...

CVE-2026-35568

MCP Java SDK is the official Java SDK for Model Context Protocol servers and clients. Prior to 1.0.0, the java-sdk contains a DNS rebinding vulnerability. This vulnerability allows an attacker to access a locally or network-private java-sdk MCP server via a victims browser that is either local, o...

CVE-2026-36604

Mercusys AC12G EU V1 router with firmware AC12GEUV1200909 does not validate the HTTP Host header, enabling DNS rebinding attacks. An external attacker can rebind a domain to the router's internal IP address, extending the CORS wildcard vulnerability Access-Control-Allow-Origin: to...