EUVD-2026-42717

@arikusi/deepseek-mcp-server: Missing Authentication on Self-Hosted HTTP MCP Endpoint...

CVE-2026-55580

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...

GHSA-F5PJ-2738-996M mcp-shell — Security Disabled by Default in Bare-Binary Deploy Path + Shell Interpreter in Secure-Mode Allowlist

mcp-shell at commit 17ac0eef5c9a5a42b8fb132d3d034973d55a5433 has two issues that together mean neither the default deploy path nor the recommended "secure mode" delivers the restriction they're marketed as providing. Filing these together because the two failure modes bracket the full intended...

EUVD-2026-65550

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...

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...

Insecure Default Initialization of Resource

Overview nltk is a Natural Language Toolkit NLTK is a Python package for natural language processing. Affected versions of this package are vulnerable to Insecure Default Initialization of Resource via disabled security enforcement in pathsec.py. An attacker can bypass protections against path...

CVE-2026-76392 Use of Hard-coded Credentials in Container Connections in Splunk AI Toolkit

In Splunk AI Toolkit versions below 6.0.0, a user who does not hold the "admin" or "power" Splunk roles could obtain predictable or default credentials for connected container services. The use of hard-coded credentials is possible because Splunk AI Toolkit generates or stores credentials for...

PYSEC-2026-3744

opensslencrypt versions before 1.4.0 contain an insecure default configuration that trusts the entire RFC 1918 private address space in IntegrityProxyConfig trustedproxies. Attackers on private networks can forge client certificate headers to bypass mTLS authentication when ProxyAuth validation i...

CVE-2026-33921

A flaw was found in the Npcap driver. The Windows installer for Arc deployed Npcap with insecure default access restrictions, allowing any local user, not just administrators, to access the driver. This vulnerability enables a local user without administrative privileges to capture network traffi...

Linux Distros Unpatched Vulnerability : CVE-2026-64596

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: libfs: set SBINOEXEC and SBINODEV by default in initpseudo Since commit 1e7ab6f67824...

Security update for netty, netty-tcnative

This update for netty, netty-tcnative fixes the following issues: Upgrade netty to upstream version 4.1.136 and netty-tcnative to version 2.0.80 Final. Security issues fixed CVE-2026-44891: memory exhaustion in io.netty:netty-codec-stomp bsc1271435. CVE-2026-55831: resource exhaustion/DoS in...

SUSE-SU-2026:3482-1 Security update for netty, netty-tcnative

This update for netty, netty-tcnative fixes the following issues: Upgrade netty to upstream version 4.1.136 and netty-tcnative to version 2.0.80 Final. Security issues fixed - CVE-2026-44891: memory exhaustion in io.netty:netty-codec-stomp bsc1271435. - CVE-2026-55831: resource exhaustion/DoS in...

CVE-2026-67336 better-auth before 1.6.11 Insecure Cryptographic Defaults via oidcProvider

better-auth versions before 1.6.11 contain insecure cryptographic defaults in the oidcProvider and mcp plugins that advertise the none algorithm and accept plain PKCE by default. Attackers can exploit algorithm negotiation to accept unsigned tokens or intercept authorization codes when PKCE plain...

EUVD-2026-51816

better-auth versions before 1.6.11 contain insecure cryptographic defaults in the oidcProvider and mcp plugins that advertise the none algorithm and accept plain PKCE by default. Attackers can exploit algorithm negotiation to accept unsigned tokens or intercept authorization codes when PKCE plain...

CVE-2026-67336 better-auth before 1.6.11 Insecure Cryptographic Defaults via oidcProvider

better-auth versions before 1.6.11 contain insecure cryptographic defaults in the oidcProvider and mcp plugins that advertise the none algorithm and accept plain PKCE by default. Attackers can exploit algorithm negotiation to accept unsigned tokens or intercept authorization codes when PKCE plain...

CVE-2026-54737

@phun-ky/defaults-deep is a library like lodash defaultsDeep with array preservation and no lodash dependency. Prior to 2.0.5, defaultsDeep recursively merges user-supplied objects without filtering proto, constructor, and prototype, allowing properties to be written to Object.prototype. This iss...

GHSA-MJ3G-7XCC-X4VH @phun-ky/defaults-deep Has a Prototype Pollution issue via Unsafe Recursive Property Merging

Impact A prototype pollution vulnerability exists in @phun-ky/defaults-deep prior to version 2.0.5. The library recursively merged user-supplied objects without filtering unsafe property names such as proto, constructor, and prototype. An attacker able to supply crafted input could cause properti...

@phun-ky/defaults-deep Has a Prototype Pollution issue via Unsafe Recursive Property Merging

Impact A prototype pollution vulnerability exists in @phun-ky/defaults-deep prior to version 2.0.5. The library recursively merged user-supplied objects without filtering unsafe property names such as proto, constructor, and prototype. An attacker able to supply crafted input could cause properti...

EUVD-2026-51592

@phun-ky/defaults-deep is a library like lodash defaultsDeep with array preservation and no lodash dependency. Prior to 2.0.5, defaultsDeep recursively merges user-supplied objects without filtering proto, constructor, and prototype, allowing properties to be written to Object.prototype. This iss...

CVE-2026-54737 @phun-ky/defaults-deep Has a Prototype Pollution issue via Unsafe Recursive Property Merging

@phun-ky/defaults-deep is a library like lodash defaultsDeep with array preservation and no lodash dependency. Prior to 2.0.5, defaultsDeep recursively merges user-supplied objects without filtering proto, constructor, and prototype, allowing properties to be written to Object.prototype. This iss...