CVE-2026-61559

creationtimestamp| type| source ---|---|--- 2026-09-15 22:35:01+00:00| published-proof-of-concept| https://github.com/zereight/gitlab-mcp/security/advisories/GHSA-2h44-8472-frjj 2026-09-15 22:54:24+00:00| seen| https://bsky.app/profile/standup.thecompound.tech/post/3mvlprcfb7g2w 2026-09-16...

CVE-2026-61568

@zereight/mcp-gitlab is a Model Context Protocol server for GitLab. Versions prior to 2.1.30 expose the Streamable HTTP MCP endpoint without an effective Host or Origin allowlist. A malicious web page can use DNS rebinding to route browser requests to a victim's local MCP listener while preservin...

CVE-2026-61560

@zereight/mcp-gitlab is a Model Context Protocol (MCP) server for GitLab. Prior to version 2.1.27 , when the SSE transport mode is enabled (SSE=true), all MCP tools are exposed without authentication. The upload_markdown tool reads arbitrary files from the server's local filesystem via an unsanit...

CVE-2026-61559 @zereight/mcp-gitlab Vulnerable to Server-Side Request Forgery

@zereight/mcp-gitlab is a Model Context Protocol server for GitLab. Starting in version 0.0.1 and prior to version 2.1.27, when the environment variable ENABLEDYNAMICAPIURL=true is set, the server reads the X-GitLab-API-URL HTTP request header and uses it as the base URL for all outbound GitLab A...

@zereight/mcp-gitlab: DNS rebinding reaches local Streamable HTTP MCP transport

@zereight/mcp-gitlab exposes its Streamable HTTP MCP endpoint without an effective Host or Origin allowlist. A malicious web page can use DNS rebinding to route browser requests to a victim's local MCP listener while preserving an attacker-controlled Host and Origin. The server accepts those...