49 matches found
CVE-2026-75128 Langchain-Chatchat through 0.3.1.3 Unauthenticated RCE via /tools/call Endpoint
Langchain-Chatchat through 0.3.1.3 exposes a POST /tools/call API endpoint that invokes any registered tool by name without authentication, leaving the always-registered shell tool callable. Remote attackers can send a single request naming the shell tool to execute arbitrary OS commands as the...
CVE-2026-75128
Langchain-Chatchat versions through 0.3.1.3 are vulnerable to unauthenticated Remote Code Execution (RCE) due to a missing authentication check on the POST /tools/call API endpoint. This endpoint allows the invocation of any registered tool by name; specifically, the shell tool is always register...
EUVD-2026-104685
Langchain-Chatchat through 0.3.1.3 exposes a POST /tools/call API endpoint that invokes any registered tool by name without authentication, leaving the always-registered shell tool callable. Remote attackers can send a single request naming the shell tool to execute arbitrary OS commands as the...
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
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...
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: Improper Input Validation
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...
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...
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...
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 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...
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...
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...