GHSA-MRQ8-FV7V-HHJG MCP Atlassian: HTTP upload tools accept arbitrary server-local file paths

sooperset/mcp-atlassian: HTTP upload tools can attach arbitrary server-local files Date: 2026-05-05 Target: sooperset/mcp-atlassian Commit: d8bc78698a63cb6b321c7ca796d6329d448f7f6d Summary mcp-atlassian supports HTTP/SSE deployment for persistent, remote, and multi-user use. In that mode,...

PT-2026-96949

Name of the Vulnerable Software and Affected Versions MCP Atlassian versions prior to 0.22.0 Description HTTP-exposed Jira and Confluence upload tools allow a remote caller to provide a file path that is passed to local file operations without being restricted to a specific workspace. This allows...

Exploit for CVE-2026-93680

Description Proof of concept ex...

CVE-2026-63647 CordysCRM SSE Notification Stream Hijack via `/sse/subscribe`

CordysCRM is an open source AI-powered customer relationship management system that supports private deployment. Prior to 1.7.2, SseController exposes the anonymous /sse/subscribe, /sse/broadcast, and /sse/close endpoints because ShiroFilter.addPublicPathFilters permits the SSE paths, and the...

EUVD-2026-83361

CordysCRM is an open source AI-powered customer relationship management system that supports private deployment. Prior to 1.7.2, SseController exposes the anonymous /sse/subscribe, /sse/broadcast, and /sse/close endpoints because ShiroFilter.addPublicPathFilters permits the SSE paths, and the...

CVE-2026-63647 CordysCRM SSE Notification Stream Hijack via `/sse/subscribe`

CordysCRM is an open source AI-powered customer relationship management system that supports private deployment. Prior to 1.7.2, SseController exposes the anonymous /sse/subscribe, /sse/broadcast, and /sse/close endpoints because ShiroFilter.addPublicPathFilters permits the SSE paths, and the...

GHSA-5GM3-9CRP-6G3V Process Compose: Browser DNS rebinding lets websites control local process-compose MCP tools

Summary A malicious website can use DNS rebinding to control a developer's local process-compose MCP SSE listener when MCP SSE is enabled. The vulnerable path accepts browser-origin requests before any Host validation, Origin validation, or caller-secret check, then dispatches the requests into...

Process Compose: Browser DNS rebinding lets websites control local process-compose MCP tools

Summary A malicious website can use DNS rebinding to control a developer's local process-compose MCP SSE listener when MCP SSE is enabled. The vulnerable path accepts browser-origin requests before any Host validation, Origin validation, or caller-secret check, then dispatches the requests into...

CVE-2026-77339

Process Compose is a scheduler and orchestrator for non-containerized applications. Prior to 1.120.0, the MCP SSE listener in src/mcp/server.go accepts browser-origin requests to /sse and the returned message endpoint without validating the Host header, validating the Origin header, or...

CVE-2026-77339 Process Compose: Browser DNS rebinding lets websites control local process-compose MCP tools

Process Compose is a scheduler and orchestrator for non-containerized applications. Prior to 1.120.0, the MCP SSE listener in src/mcp/server.go accepts browser-origin requests to /sse and the returned message endpoint without validating the Host header, validating the Origin header, or...

CVE-2026-77339

Process Compose (a scheduler and orchestrator for non-containerized applications) had a vulnerability in its MCP SSE listener (src/mcp/server.go) prior to version 1.120.0 . The listener accepted browser-origin requests to /sse and the returned message endpoint without validating the Host or Origi...

CVE-2026-77339 Process Compose: Browser DNS rebinding lets websites control local process-compose MCP tools

Process Compose is a scheduler and orchestrator for non-containerized applications. Prior to 1.120.0, the MCP SSE listener in src/mcp/server.go accepts browser-origin requests to /sse and the returned message endpoint without validating the Host header, validating the Origin header, or...

CVE-2026-77339 Process Compose: Browser DNS rebinding lets websites control local process-compose MCP tools

Process Compose is a scheduler and orchestrator for non-containerized applications. Prior to 1.120.0, the MCP SSE listener in src/mcp/server.go accepts browser-origin requests to /sse and the returned message endpoint without validating the Host header, validating the Origin header, or...

CVE-2026-86252

A flaw was found in h3. This vulnerability allows a remote attacker to inject arbitrary Server-Sent Events SSE by failing to sanitize carriage return characters in EventStream data and comment fields. Attackers can manipulate event type directives, split single push calls into multiple...

PT-2026-95497

Name of the Vulnerable Software and Affected Versions Process Compose versions prior to 1.120.0 Description Process Compose is a scheduler and orchestrator for non-containerized applications. The MCP SSE listener in src/mcp/server.go accepts browser-origin requests to the /sse endpoint and the...

PT-2026-95660

Name of the Vulnerable Software and Affected Versions CordysCRM versions prior to 1.7.2 Description SseController exposes the anonymous '/sse/subscribe', '/sse/broadcast', and '/sse/close' endpoints because ShiroFilter.addPublicPathFilters permits the SSE paths. These endpoints trust the...

CVE-2026-61592

djust provides Phoenix LiveView-style reactive server-side rendering for Django with Rust-powered performance. Prior to version 1.0.7, SSE sessions were keyed solely by a client-chosen sessionid with no binding to the authenticated user — a control the WebSocket transport has but that was dropped...

CVE-2026-61599 djust has an unauthenticated arbitrary module import via the WebSocket/SSE view-mount path

djust provides Phoenix LiveView-style reactive server-side rendering for Django with Rust-powered performance. Prior to version 1.0.7, the djust live transport resolves the LiveView to mount from a client-supplied dotted path by calling importmodulepath, .... The module is imported — running its...

CVE-2026-61599 djust has an unauthenticated arbitrary module import via the WebSocket/SSE view-mount path

djust provides Phoenix LiveView-style reactive server-side rendering for Django with Rust-powered performance. Prior to version 1.0.7, the djust live transport resolves the LiveView to mount from a client-supplied dotted path by calling importmodulepath, .... The module is imported — running its...

GHSA-7PRP-2623-8G45 djust has an unauthenticated arbitrary module import via the WebSocket/SSE view-mount path

Impact The djust live transport resolves the LiveView to mount from a client-supplied dotted path by calling importmodulepath, .... The module is imported — running its top-level code import side effects — before the framework checks that the resolved object is a LiveView subclass and before any...