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-2026-9739

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-2026-9739

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-2026-9739

CVE-2026-9739 describes a DNS rebinding vulnerability due to a hardcoded Access-Control-Allow-Origin: * in the SSE initialization handler, despite earlier attempts to align with MCP security guidelines using allowed-origins and allowed-hosts. The issue specifically affects users connecting via To...

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...

SUSE CVE-2021-22884

Node.js before 10.24.0, 12.21.0, 14.16.0, and 15.10.0 is vulnerable to DNS rebinding attacks as the whitelist includes “localhost6”. When “localhost6” is not present in /etc/hosts, it is just an ordinary domain that is resolved via DNS, i.e., over network. If the attacker controls the victim's DN...

PT-2026-44123

Name of the Vulnerable Software and Affected Versions Toolbox affected versions not specified Description The software is susceptible to DNS rebinding attacks when using Server-Sent Events SSE under specification v2024-11-05. This occurs because the SSE initialization handler retains a hardcoded...

CVE-2026-42336 MaxKB: SSRF Bypass via DNS Rebinding in MaxKB OSS URL Fetch

MaxKB is an open-source AI assistant for enterprise. MaxKB 2.8.0 and prior are vulnerable to a server-side request forgery SSRF bypass in the OSS file service URL fetch functionality due to inconsistent DNS resolution between validation and actual request execution, allowing attackers to access...

CVE-2026-42336

CVE-2026-42336 concerns MaxKB: OSS file service URL fetch in MaxKB 2.8.0 and earlier is vulnerable to an SSRF bypass caused by inconsistent DNS resolution between validation and the actual request, enabling access to internal networks via DNS rebinding. The issue is mitigated by upgrading to 2.8....

Unity Linux 20.1050e / 20.1060e / 20.1070-8ae / 20.1070e Security Update: gupnp (UTSA-2026-016639)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016639 advisory. An issue was discovered in GUPnP before 1.0.7 and 1.1.x and 1.2.x before 1.2.5. It allows DNS rebinding. A remote web server can exploit this vulnerability to trick ...

GO-2026-4990 Gotenberg's DNS rebinding bypasses SSRF validation on Chromium URL conversion routes in github.com/gotenberg/gotenberg

Gotenberg's DNS rebinding bypasses SSRF validation on Chromium URL conversion routes in github.com/gotenberg/gotenberg...

Astra Linux – Vulnerability in GUPNP

A vulnerability was discovered in GUPnP before versions 1.0.7, 1.1.x, and 1.2.x, as well as before version 1.2.5. This vulnerability allows for DNS rebinding. A remote web server can exploit this vulnerability to trick the victim’s browser into performing actions against local UPnP services...

PT-2026-42375

Gotenberg's DNS rebinding bypasses SSRF validation on Chromium URL conversion routes in github.com/gotenberg/gotenberg...

NPM: dynoxide: DNS rebinding and cross-origin CSRF via MCP HTTP transport

NPM: dynoxide: DNS rebinding and cross-origin CSRF via MCP HTTP transport vulnerability discovered by ? in WordPress Npm dynoxide versions = 0.9.3, 0.9.13...

AVideo CVE-2026-43884 incomplete fix - six (or more) `isSSRFSafeURL()` call sites still discard the `$resolvedIP` out-param at master HEAD post-`603e7bf`

CVE-2026-43884 fix 603e7bf patched EpgParser.php and plugin/AI/receiveAsync.json.php to use urlgetcontents redirect-safe. Neither uses the $resolvedIP out-param of isSSRFSafeURL for DNS pinning via CURLOPTRESOLVE. Six+ other call sites still discard $resolvedIP, opening DNS-rebinding TOCTOU...

GHSA-C3CH-22RQ-XFWR AVideo CVE-2026-43884 incomplete fix - six (or more) `isSSRFSafeURL()` call sites still discard the `$resolvedIP` out-param at master HEAD post-`603e7bf`

CVE-2026-43884 fix 603e7bf patched EpgParser.php and plugin/AI/receiveAsync.json.php to use urlgetcontents redirect-safe. Neither uses the $resolvedIP out-param of isSSRFSafeURL for DNS pinning via CURLOPTRESOLVE. Six+ other call sites still discard $resolvedIP, opening DNS-rebinding TOCTOU...

PT-2026-43463

Name of the Vulnerable Software and Affected Versions WWBN AVideo versions 29.0 and earlier Description Certain components, including EpgParser.php and plugin/AI/receiveAsync.json.php, fail to utilize the $resolvedIP out-parameter of the isSSRFSafeURL function for DNS pinning via CURLOPT RESOLVE...

CVE-2026-42592 Gotenberg: DNS rebinding bypasses SSRF validation on Chromium URL conversion routes

Gotenberg is a Docker-powered stateless API for PDF files. Prior to 8.32.0, FilterOutboundURL resolves the hostname, checks the resolved IPs against the private-address deny-list, and returns only the error. It discards the resolved addresses. Chromium later performs its own DNS resolution when i...

CVE-2026-42559

RMCP is an official Rust SDK for the Model Context Protocol. Prior to version 1.4.0, the rmcp crate's Streamable HTTP server transport crates/rmcp/src/transport/streamablehttpserver/ did not validate the incoming Host header. This allowed a malicious public website, via a DNS rebinding attack, to...

CVE-2026-42559

RMCP is an official Rust SDK for the Model Context Protocol. Prior to version 1.4.0, the rmcp crate's Streamable HTTP server transport crates/rmcp/src/transport/streamablehttpserver/ did not validate the incoming Host header. This allowed a malicious public website, via a DNS rebinding attack, to...