High

Lokka: Azure Resource Manager URL path validation issue

  • Disclosed: 19.06.2026
  • Updated: 11.10.2026 10:22

Lokka versions prior to 2.1.2 constructed Azure Resource Manager request URLs using direct string concatenation with user-controlled path input. Specially crafted path values could alter URL authority parsing and cause Azure Resource Manager bearer tokens to be sent to an unintended host. Version 2.1.2 fixes the issue by validating Azure paths before token acquisition and constructing Azure Resource Manager URLs with the standard URL API while preserving the expected management.azure.com host.

Reported by 정해창 haechang__@naver.com

Affected software

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PlatformPackageVulnerable versionsFixed in
npm package @merill/lokka < 2.1.2 2.1.2

References

CVSS score -
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Weakness (CWE)
CWE-918
Platform
npm
Package
@merill/lokka
Disclosed
19.06.2026
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-g2gw-q38m-vjfc - CC BY 4.0

Vulnerability history: @merill/lokka

All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.

This is the only known vulnerability of this package.

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