CVE-2026-57496 Labs64 NetLicensing MCP Server - Path Traversal

Labs64 NetLicensing MCP Server < 0.1.8 contains a path traversal caused by lack of path-segment validation in product_number parameter, letting authenticated non-admin API key users retrieve plaintext tokens, exploit requires authenticated MCP client.

CVSS base score 9.6 /10

Critical

CISA KEV: Not listed
Public exploit: None known
Authentication: Required

View the NVD record ↗

Details

Type: Path Traversal
Impact: Information Disclosure
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
Published: 15 October 2026
Updated: 16 October 2026
Weakness: CWE-22

Vendor fix

Update to version 0.1.8 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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