CVE-2026-6108 | 1Panel-dev MaxKB up to 2.6.1 Model Context Protocol Node base_mcp_node.py execute os command injection

VDB-356968 · CVE-2026-6108 · SUBMIT #356968 1PANEL-DEV MAXKB UP TO 2.6.1 MODEL CONTEXT PROTOCOL NODE BASE_MCP_NODE.PY EXECUTE OS COMMAND INJECTION HISTORYDIFFRELATEJSONXMLCTI Summaryinfo A vulnerability labeled as critical has been found in 1Panel-dev MaxKB up to 2.6.1. The impacted element is the function execute of the file apps/application/flow/step_node/mcp_node/impl/base_mcp_node.py of the component Model Context Protocol Node. Executing a manipulation can lead to os command injection. This vulnerability appears as CVE-2026-6108. The attack may be performed from remote. In addition, an exploit is available. The affected component should be upgraded. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product. Detailsinfo A vulnerability classified as critical was found in 1Panel-dev MaxKB up to 2.6.1. This vulnerability affects the function execute of the file apps/application/flow/step_node/mcp_node/impl/base_mcp_node.py of the component Model Context Protocol Node. The manipulation with an unknown input leads to a os command injection vulnerability. The CWE definition for the vulnerability is CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The advisory is shared for download at github.com. This vulnerability was named CVE-2026-6108. The exploitation appears to be easy. The attack can be initiated remotely. Technical details and also a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1202. It is possible to download the exploit at github.com. It is declared as proof-of-concept. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product. Upgrading eliminates this vulnerability. Productinfo Vendor 1Panel-dev Name MaxKB Version 2.6.0 2.6.1 CPE 2.3info 🔒 🔒 CPE 2.2info 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 6.3 VulDB Meta Temp Score: 5.7 VulDB Base Score: 6.3 VulDB Temp Score: 5.7 VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Os command injection CWE: CWE-78 / CWE-77 / CWE-74 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Access: Public Status: Proof-of-Concept Download: 🔒 Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: Upgrade Status: 🔍 0-Day Time: 🔒 Timelineinfo 04/11/2026 Advisory disclosed 04/11/2026 +0 days VulDB entry created 04/11/2026 +0 days VulDB entry last update Sourcesinfo Advisory: github.com Status: Confirmed CVE: CVE-2026-6108 (🔒) GCVE (CVE): GCVE-0-2026-6108 GCVE (VulDB): GCVE-100-356968 scip Labs: https://www.scip.ch/en/?labs.20161013 Entryinfo Created: 04/11/2026 09:40 Changes: 04/11/2026 09:40 (58) Complete: 🔍 Submitter: Ana10gy Cache ID: 99:00D:101 Submitinfo Accepted Submit #782279: 1Panel-dev MaxKB <= v2.6.1 Remote Code Execution (by Ana10gy) Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸