CVE-2026-55786

Flyto2 Core is an execution kernel for automation and AI-agent workflows. From 2.26.2 until 2.26.4, the HTTP MCP POST /mcp route accepts unauthenticated JSON-RPC tools/call requests and forwards executemodule arguments to the module registry without the requireauth dependency used by the REST...

CVE-2026-88257

Improper Input Validation vulnerability in BeamMCP.Schema in ScriptKittyOS beammcp allows an MCP client to reach a tool's dispatch function with arguments that violate the input schema the server advertised. BeamMCP.Schema.validate/2 checked type, required, additionalProperties, enum and numeric...

CVE-2026-88257 beam_mcp: nested tool argument constraints advertised but not enforced

Improper Input Validation vulnerability in BeamMCP.Schema in ScriptKittyOS beammcp allows an MCP client to reach a tool's dispatch function with arguments that violate the input schema the server advertised. BeamMCP.Schema.validate/2 checked type, required, additionalProperties, enum and numeric...

EEF-CVE-2026-88257 beam_mcp: nested tool argument constraints advertised but not enforced

Summary Improper Input Validation vulnerability in BeamMCP.Schema in ScriptKittyOS beammcp allows an MCP client to reach a tool's dispatch function with arguments that violate the input schema the server advertised. BeamMCP.Schema.validate/2 checked type, required, additionalProperties, enum and...

EUVD-2026-94980

Improper Input Validation vulnerability in BeamMCP.Schema in ScriptKittyOS beammcp allows an MCP client to reach a tool's dispatch function with arguments that violate the input schema the server advertised. BeamMCP.Schema.validate/2 checked type, required, additionalProperties, enum and numeric...

CVE-2026-88257

The beam_mcp library (versions 0.1.0 before 0.10.1 ) contains an Improper Input Validation vulnerability in BeamMCP.Schema . The validate/2 function only enforces constraints (type, required, enum, and numeric bounds) on top-level arguments. Consequently, nested objects and array items lack enfor...

PYSEC-2026-4081 MCP Atlassian: ENABLED_TOOLS / Toolset authorization bypass

Summary ENABLEDTOOLS and TOOLSETS filters are enforced at tools/list time only. tools/call dispatches from the full unfiltered tool registry 73 tools. Any user with access to the server endpoint that knows a tool name can invoke it directly. Tool names are not secret since mcp-atlassian is open...

MCP Atlassian: ENABLED_TOOLS / Toolset authorization bypass

SummaryENABLEDTOOLS and TOOLSETS filters are enforced at tools/list time only. tools/call dispatches from the full unfiltered tool registry 73 tools. Any user with access to the server endpoint that knows a tool name can invoke it directly. Tool names are not secret since mcp-atlassian is open...

PT-2026-105836

Summary ENABLED TOOLS and TOOLSETS filters are enforced at tools/list time only. tools/call dispatches from the full unfiltered tool registry 73 tools. Any user with access to the server endpoint that knows a tool name can invoke it directly. Tool names are not secret since mcp-atlassian is open...

GHSA-3R68-HF9H-887V MCP Atlassian: ENABLED_TOOLS / Toolset authorization bypass

Summary ENABLEDTOOLS and TOOLSETS filters are enforced at tools/list time only. tools/call dispatches from the full unfiltered tool registry 73 tools. Any user with access to the server endpoint that knows a tool name can invoke it directly. Tool names are not secret since mcp-atlassian is open...

MCP Atlassian: ENABLED_TOOLS / Toolset authorization bypass

Summary ENABLEDTOOLS and TOOLSETS filters are enforced at tools/list time only. tools/call dispatches from the full unfiltered tool registry 73 tools. Any user with access to the server endpoint that knows a tool name can invoke it directly. Tool names are not secret since mcp-atlassian is open...

CVE-2026-77243

MCP Atlassian is a Model Context Protocol MCP server for Atlassian products Confluence and Jira. Prior to 0.22.0, ENABLEDTOOLS and TOOLSETS are applied when tools are listed but are not rechecked when a tools/call request is dispatched. A client that knows a hidden tool name can directly invoke...

CVE-2026-77243

The MCP Atlassian Model Context Protocol server for Confluence and Jira is vulnerable to an authorization bypass in versions prior to 0.22.0 . The root cause is that while ENABLED_TOOLS and TOOLSETS are applied during tool listing, they are not rechecked when a tools/call request is dispatched. T...

CVE-2026-77243 MCP Atlassian: ENABLED_TOOLS / Toolset authorization bypass

MCP Atlassian is a Model Context Protocol MCP server for Atlassian products Confluence and Jira. Prior to 0.22.0, ENABLEDTOOLS and TOOLSETS are applied when tools are listed but are not rechecked when a tools/call request is dispatched. A client that knows a hidden tool name can directly invoke...

CVE-2026-77243 MCP Atlassian: ENABLED_TOOLS / Toolset authorization bypass

MCP Atlassian is a Model Context Protocol MCP server for Atlassian products Confluence and Jira. Prior to 0.22.0, ENABLEDTOOLS and TOOLSETS are applied when tools are listed but are not rechecked when a tools/call request is dispatched. A client that knows a hidden tool name can directly invoke...

EUVD-2026-84626

MCP Atlassian is a Model Context Protocol MCP server for Atlassian products Confluence and Jira. Prior to 0.22.0, ENABLEDTOOLS and TOOLSETS are applied when tools are listed but are not rechecked when a tools/call request is dispatched. A client that knows a hidden tool name can directly invoke...

CVE-2026-77243 MCP Atlassian: ENABLED_TOOLS / Toolset authorization bypass

MCP Atlassian is a Model Context Protocol MCP server for Atlassian products Confluence and Jira. Prior to 0.22.0, ENABLEDTOOLS and TOOLSETS are applied when tools are listed but are not rechecked when a tools/call request is dispatched. A client that knows a hidden tool name can directly invoke...

PT-2026-96924

Name of the Vulnerable Software and Affected Versions MCP Atlassian versions prior to 0.22.0 Description An authorization bypass exists where the ENABLED TOOLS and TOOLSETS filters are only enforced during the tools/list request and are not re-verified when a tools/call request is dispatched. Thi...

CVE-2026-77243: Missing Authorization

MCP Atlassian is a Model Context Protocol MCP server for Atlassian products Confluence and Jira. Prior to 0.22.0, ENABLEDTOOLS and TOOLSETS are applied when tools are listed but are not rechecked when a tools/call request is dispatched. A client that knows a hidden tool name can directly invoke...

CVE-2026-77519 MaxKB: Expired application API keys remain usable on `/chat/api/mcp`

MaxKB is an open-source AI assistant for enterprise. In 2.10.2-lts and earlier, the /chat/api/mcp authentication path looks up an ApplicationApiKey using only its secret and active status, without enforcing the ispermanent and expiretime checks used by the standard chat API. A previously valid,...