CVE-2026-7039 tufantunc CVE debrief

Who should care

Defenders responsible for systems or deployments using tufantunc ssh-mcp up to 1.5.0 should assess exposure and prioritize verification of inventory and potential remediation or compensating controls.

Why it matters

CVE-2026-7039 is a command injection vulnerability in tufantunc ssh-mcp up to 1.5.0. Defenders should prioritize verifying inventory, assessing exposure, and considering remediation or compensating controls to prevent potential exploitation.

• Potential command injection if exploited
• Local attack vector requires physical or internal network access
• Verification of inventory and exposure is necessary
• Remediation or compensating controls should be considered

Technical summary

The vulnerability is located in the function shell.write of the file src/index.ts in tufantunc ssh-mcp up to 1.5.0. Manipulation of the argument Description leads to command injection. The attack must be carried out locally. Defenders should prioritize verifying the presence of this vulnerability in their inventory and assessing exposure, as it could lead to command injection if exploited. The project vendor has not responded yet, and some details like remediation or affected versions require further verification. The CVE record and NVD entry provide details about the vulnerability, including its description, CVSS score, and affected component.

Defensive priority

Defenders should prioritize verifying the presence of this vulnerability in their inventory and assessing exposure, as it could lead to command injection if exploited.

Recommended defensive actions

• Verify the presence of tufantunc ssh-mcp up to 1.5.0 in your inventory
• Assess exposure to the command injection vulnerability
• Consider compensating controls or monitoring for potential exploitation attempts
• Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance
• Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The CVE record and NVD entry provide details about the vulnerability, including its description, CVSS score, and affected component. However, the project vendor has not responded yet, and some details like remediation or affected versions require further verification.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.