CVE-2026-81889

elFinder (open-source web file manager) contains an SSRF protection bypass in php/elFinder.class.php prior to version 2.1.70 . When PHP cURL is unavailable, get_remote_contents() falls back to fsock_get_contents(), which performs a second DNS resolution to $arr['host'] independent of the IP alrea...

CVE-2026-81889 elFinder: SSRF protection bypass via DNS rebinding in the `fsock_get_contents()` fallback

elFinder is an open-source file manager for web, written in JavaScript using jQuery UI. Prior to 2.1.70, elFinder URL uploads in php/elFinder.class.php can bypass server-side request forgery protections when PHP cURL is unavailable because validateaddress validates $info'ip', but getremotecontent...

EUVD-2026-68768

elFinder is an open-source file manager for web, written in JavaScript using jQuery UI. Prior to 2.1.70, elFinder URL uploads in php/elFinder.class.php can bypass server-side request forgery protections when PHP cURL is unavailable because validateaddress validates $info'ip', but getremotecontent...

CVE-2026-81889 elFinder: SSRF protection bypass via DNS rebinding in the `fsock_get_contents()` fallback

elFinder is an open-source file manager for web, written in JavaScript using jQuery UI. Prior to 2.1.70, elFinder URL uploads in php/elFinder.class.php can bypass server-side request forgery protections when PHP cURL is unavailable because validateaddress validates $info'ip', but getremotecontent...

CVE-2026-81315

Origin Validation Error vulnerability in ash-project ashai allows a malicious web page to bypass the MCP server's DNS-rebinding protection and issue cross-site requests to a user's local MCP server with that user's actor. In AshAi.Mcp.Server, with the default allowedorigins: nil, originallowed?/3...

EUVD-2026-68304

Origin Validation Error vulnerability in ash-project ashai allows a malicious web page to bypass the MCP server's DNS-rebinding protection and issue cross-site requests to a user's local MCP server with that user's actor. In AshAi.Mcp.Server, with the default allowedorigins: nil, originallowed?/3...

CVE-2026-81315 MCP DNS-rebinding origin check in AshAi is bypassed by a spoofed X-Forwarded-Proto header

Origin Validation Error vulnerability in ash-project ashai allows a malicious web page to bypass the MCP server's DNS-rebinding protection and issue cross-site requests to a user's local MCP server with that user's actor. In AshAi.Mcp.Server, with the default allowedorigins: nil, originallowed?/3...

EEF-CVE-2026-81315 MCP DNS-rebinding origin check in AshAi is bypassed by a spoofed X-Forwarded-Proto header

Summary Origin Validation Error vulnerability in ash-project ashai allows a malicious web page to bypass the MCP server's DNS-rebinding protection and issue cross-site requests to a user's local MCP server with that user's actor. In AshAi.Mcp.Server, with the default allowedorigins: nil,...

CVE-2026-81315 MCP DNS-rebinding origin check in AshAi is bypassed by a spoofed X-Forwarded-Proto header

Origin Validation Error vulnerability in ash-project ashai allows a malicious web page to bypass the MCP server's DNS-rebinding protection and issue cross-site requests to a user's local MCP server with that user's actor. In AshAi.Mcp.Server, with the default allowedorigins: nil, originallowed?/3...

CVE-2026-81315

CVE-2026-81315 is an origin validation error in ash-project ash_ai (affecting AshAi.Mcp.Server), allowing a malicious web page to bypass the MCP server's DNS-rebinding protection and issue cross-site requests to a user's local MCP server using that user's actor. The root cause lies in origin_allo...

PT-2026-84020

Name of the Vulnerable Software and Affected Versions elFinder versions prior to 2.1.70 Description URL uploads in php/elFinder.class.php can bypass server-side request forgery SSRF protections when PHP cURL is unavailable. The validate address function validates the IP address, but get remote...

CVE-2026-82234

SiYuan versions before v3.8.1 contain a server-side request forgery vulnerability in the httprequest and webfetch agent tools that perform DNS resolution only at guard time without validating the connect-time resolution. Attackers can use DNS rebinding to answer the guard resolution with a public...

CVE-2026-82234

SiYuan versions before v3.8.1 are affected by a server-side request forgery (SSRF) vulnerability in the http_request and web_fetch agent tools. The root cause is a time-of-check/time-of-use (TOCTOU) flaw: DNS resolution is performed only at guard time, while the actual connect-time resolution is ...

EUVD-2026-67686

SiYuan versions before v3.8.1 contain a server-side request forgery vulnerability in the httprequest and webfetch agent tools that perform DNS resolution only at guard time without validating the connect-time resolution. Attackers can use DNS rebinding to answer the guard resolution with a public...

CVE-2026-82234 SiYuan before v3.8.1 SSRF via DNS-Rebinding TOCTOU

SiYuan versions before v3.8.1 contain a server-side request forgery vulnerability in the httprequest and webfetch agent tools that perform DNS resolution only at guard time without validating the connect-time resolution. Attackers can use DNS rebinding to answer the guard resolution with a public...

CVE-2026-82234 SiYuan before v3.8.1 SSRF via DNS-Rebinding TOCTOU

SiYuan versions before v3.8.1 contain a server-side request forgery vulnerability in the httprequest and webfetch agent tools that perform DNS resolution only at guard time without validating the connect-time resolution. Attackers can use DNS rebinding to answer the guard resolution with a public...

CVE-2026-81100

tiger-gh-mcp-server started its MCP HTTP transport without enabling the host allow-list the underlying SDK provides. src/httpServer.ts called the shared httpServerFactory helper and never set the DNS-rebinding-protection option, so the transport accepted a request whatever host it named, making t...

CVE-2026-81099

tiger-slack started its MCP HTTP transport without enabling the host allow-list the underlying SDK provides. mcp/src/httpServer.ts called the shared httpServerFactory helper and never set the DNS-rebinding-protection option, so the transport accepted a request whatever host it named, and a page i...

CVE-2026-81095

pg-aiguide started its MCP HTTP transport without enabling the host allow-list the underlying SDK provides. src/httpServer.ts called the shared httpServerFactory helper and never set the DNS-rebinding-protection option, so the transport accepted a request whatever host it named. A page in a brows...

CVE-2026-81102 Dropbox Dash MCP Server DNS Rebinding via Missing Host Header Validation

The Dash MCP server bound its listener to the loopback address but never checked the host a request named. src/mcpserverdash.py constructed the server for its network mode with the interface restricted to loopback and no transport-security settings, so a name that had been pointed at the loopback...