CVE-2025-58062: LSTM-Kirigaya openmcp-client · OS Command Injection
Affects LSTM-Kirigaya openmcp-clientSource CVE Database V5
Not known to be exploited · CVSS 7.3 High : upgrade to 0.1.12 soon.
Data as of 26 Oct 2026, 14:05 UTC
- EPSS
- 1.2% chance of exploitation in 30 days – higher than 68% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 0.1.12
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 28 Aug 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade LSTM-Kirigaya openmcp-client to 0.1.12.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| LSTM-Kirigaya openmcp-client | Affected
| Fixed in
|
AI-suggested
- Immediate upgrade: Ensure all users of the openmcp-client plugin upgrade to version 0.1.12 or later, where the vulnerability is patched.
- Network controls: Restrict connections to trusted MCP servers only, using network segmentation, firewall rules, or VPNs to prevent connections to untrusted or unknown servers.
- Endpoint protection: Deploy endpoint detection and response (EDR) solutions capable of detecting anomalous command execution patterns on developer machines.
- User awareness: Train developers to verify MCP server endpoints before connecting and to report suspicious behavior.
- Code signing and integrity checks: Verify the integrity and authenticity of plugins and related tools to prevent tampering.
- Monitoring and logging: Implement detailed logging of plugin network activity and command executions to detect potential exploitation attempts.
- Incident response readiness: Prepare playbooks for rapid containment and remediation if exploitation is suspected, including isolating affected machines and conducting forensic analysis.
- Limit privileges: Run development tools with least privilege necessary to reduce impact of potential command injection.
Description
LSTM-Kirigaya's openmcp-client is a vscode plugin for mcp developer. Prior to version 0.1.12, when users on a Windows platform connect to an attacker controlled MCP server, attackers could provision a malicious authorization server endpoint to silently achieve an OS command injection attack in the open() invocation, leading to client system compromise. This issue has been patched in version 0.1.12.
References
- github.com/LSTM-Kirigaya/openmcp-client/security/advisories/GHSA-43m4-p3rv-c4v8 (opens in a new tab)
- github.com/LSTM-Kirigaya/openmcp-client/commit/9c3799d6ffae8d0cdfab25a53af75e1afc85f6c3 (opens in a new tab)
- drive.google.com/file/d/1lSqFkc412aX6a_fjmNfzXsJKE7b8jPqD/view?usp=sharing (opens in a new tab)