CVE-2026-55580 mcp-shell — Security Disabled by Default in Bare-Binary Deploy Path + Shell Interpreter in Secure-Mode Allowlist

mcp-shell is an MCP server for running shell commands securely, auditably, and on demand. Prior to 0.6.0, config.go initializes Security.Enabled to false, and when MCPSHELLSECCONFIGFILE is unset, main.go starts the documented bare-binary deployment without a security policy...

CVE-2026-55580 mcp-shell — Security Disabled by Default in Bare-Binary Deploy Path + Shell Interpreter in Secure-Mode Allowlist

mcp-shell is an MCP server for running shell commands securely, auditably, and on demand. Prior to 0.6.0, config.go initializes Security.Enabled to false, and when MCPSHELLSECCONFIGFILE is unset, main.go starts the documented bare-binary deployment without a security policy...

CVE-2026-55580

mcp-shell is an MCP server for running shell commands. Prior to 0.6.0 , config.go initializes Security.Enabled to false, and when MCP_SHELL_SEC_CONFIG_FILE is unset, the documented bare-binary deployment starts without a security policy. SecurityValidator.validateCommand in security.go then short...

GHSA-3X77-WG38-92R3 mcp-shell has a Secure Mode Allowlist Bypass via Default `/bin/bash` Executable

Summary mcp-shell ships a default Docker configuration security.yaml that includes /bin/bash in the allowedexecutables allowlist. The command validator security.go only checks whether the first token of the supplied command matches an allowed executable; it does not inspect or reject shell...

mcp-shell has a Secure Mode Allowlist Bypass via Default `/bin/bash` Executable

Summary mcp-shell ships a default Docker configuration security.yaml that includes /bin/bash in the allowedexecutables allowlist. The command validator security.go only checks whether the first token of the supplied command matches an allowed executable; it does not inspect or reject shell...

CVE-2026-55581 mcp-shell: Secure Mode Allowlist Bypass via Default `/bin/bash` Executable

mcp-shell is an MCP server for running shell commands securely, auditably, and on demand. Prior to 0.6.0, the default Docker security.yaml includes /bin/bash in allowedexecutables, while security.go validates only the first token and checkBlockedPatternsAndCommands does not reject the shell...

CVE-2026-55581

mcp-shell is an MCP server for running shell commands securely. Prior to 0.6.0 , the default Docker security.yaml includes /bin/bash in allowed_executables, while security.go validates only the first token and checkBlockedPatternsAndCommands does not reject the shell -c flag. A caller of the shel...

CVE-2026-55581 mcp-shell: Secure Mode Allowlist Bypass via Default `/bin/bash` Executable

mcp-shell is an MCP server for running shell commands securely, auditably, and on demand. Prior to 0.6.0, the default Docker security.yaml includes /bin/bash in allowedexecutables, while security.go validates only the first token and checkBlockedPatternsAndCommands does not reject the shell...

mcp-shell has a Secure Mode Allowlist Bypass via Git Shell Alias

Summary mcp-shell's "secure mode" is designed to restrict command execution to an allowlist of executables defined in security.yaml. The default configuration includes /usr/bin/git. The security validator in security.go blocks common shell metacharacters |&;$\ but omits !, which is the prefix Git...

GHSA-74HP-MGGR-HV58 mcp-shell has a Secure Mode Allowlist Bypass via Git Shell Alias

Summary mcp-shell's "secure mode" is designed to restrict command execution to an allowlist of executables defined in security.yaml. The default configuration includes /usr/bin/git. The security validator in security.go blocks common shell metacharacters |&;$\ but omits !, which is the prefix Git...

CVE-2026-55582 mcp-shell: Secure Mode Allowlist Bypass via Git Shell Alias

mcp-shell is an MCP server for running shell commands securely, auditably, and on demand. Prior to 0.6.0, the default security.yaml allows /usr/bin/git, while security.go omits ! from containsShellMetacharacters and containsDangerousShellConstructs and applies no per-executable argument policy. A...

CVE-2026-55582

mcp-shell is an MCP server for running shell commands securely. Prior to 0.6.0 , the default security.yaml allows /usr/bin/git, while security.go omits the ! character from its shell-metacharacter and dangerous-construct checks and applies no per-executable argument policy. A caller of the shell_...

CVE-2026-55582 mcp-shell: Secure Mode Allowlist Bypass via Git Shell Alias

mcp-shell is an MCP server for running shell commands securely, auditably, and on demand. Prior to 0.6.0, the default security.yaml allows /usr/bin/git, while security.go omits ! from containsShellMetacharacters and containsDangerousShellConstructs and applies no per-executable argument policy. A...

Important: Red Hat Security Advisory: sg3_utils security, bug fix, and enhancement update

An update for sg3utils is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available fo...

sg3_utils: sg3_utils: arbitrary command execution via udev property injection in sg_inq --export

A flaw was found in sg3utils. The sginq command, when invoked with the --export option, outputs device identification data without sanitizing control characters in SCSI name string fields. A newline character embedded in a device-supplied name string can inject arbitrary properties into the udev...

PraisonAI: `--api-key` flag on `praisonai serve` is not properly enforced

Summary praisonai serve agents and praisonai serve unified both accept --api-key for authentication. The flag is parsed but never wired into the FastAPI app — no middleware, no header check, nothing. The server runs wide open regardless of what key you set. Tested on 4.6.50 from PyPI. Affected...

EUVD-2026-65517

PraisonAI is a multi-agent teams system. Prior to praisonai 4.6.58, praisonai serve agents and praisonai serve unified parse --api-key but createagentsapp and createunifiedapp do not install a credential check. Unauthenticated callers can reach POST /agents and POST /api/v1/agents/id/invoke. This...

CVE-2026-55541

PraisonAI is a multi-agent teams system that exposes a service via praisonai serve. Prior to version 4.6.58 , the --api-key flag was parsed by the CLI but the internal functions _create_agents_app() and _create_unified_app() did not install a credential check on the resulting application. As a re...

PraisonAI: [Path Traversal] agent tools escape the configured workspace via symlinks

Summary PraisonAI's praisonai.code tool wrappers exported as CODETOOLS for agents expose a workspace setting that the module itself treats as a path-traversal security boundary — readfile, writefile, applydiff, and searchreplace explicitly call ispathwithindirectory and return "… is outside the...

Deserialization of Untrusted Data

Overview nltk is a Natural Language Toolkit NLTK is a Python package for natural language processing. Affected versions of this package are vulnerable to Deserialization of Untrusted Data in nltk.picklesec.AllowlistUnpickler, nltk.tokenize.punkt.punktpickleload, and...