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Description

A vulnerability was found in 1Panel-dev MaxKB up to 2.6.1. The affected 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. Performing a manipulation results in os command injection. The attack is possible to be carried out remotely. The exploit has been made public and could be used. You should upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

PUBLISHED Reserved 2026-04-11 | Published 2026-04-12 | Updated 2026-04-14 | Assigner VulDB




MEDIUM: 5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
MEDIUM: 6.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
MEDIUM: 6.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
6.5AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C

Problem types

OS Command Injection

Command Injection

Product status

2.6.0
affected

2.6.1
affected

Timeline

2026-04-11:Advisory disclosed
2026-04-11:VulDB entry created
2026-04-11:VulDB entry last update

Credits

Ana10gy (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/356968 (VDB-356968 | 1Panel-dev MaxKB Model Context Protocol Node base_mcp_node.py execute os command injection) vdb-entry technical-description

vuldb.com/vuln/356968/cti (VDB-356968 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/submit/782279 (Submit #782279 | 1Panel-dev MaxKB <= v2.6.1 Remote Code Execution) third-party-advisory

github.com/AnalogyC0de/public_exp/issues/30 exploit issue-tracking

cve.org (CVE-2026-6108)

nvd.nist.gov (CVE-2026-6108)

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