CVE-2026-55100: Path Traversal

Description

hashi-vault-js is a Node.js module for interacting with the HashiCorp Vault API. Prior to 0.5.2, src/Vault.js concatenates unencoded identifier values including name, username, group, role, and version into Vault request paths and query strings instead of using encodeURIComponent() and URLSearchParams, allowing path traversal and query parameter injection. This issue is fixed in version 0.5.2.

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Weakness Type (CWE)

CWE-23 CWE-23

CWE-74 CWE-74

References

Other References

https://github.com/kyndryl-open-source/hashi-vault-js/commit/ea2f76052d366a08f35f62ef4c12b6a334c91ec2 https://github.com/kyndryl-open-source/hashi-vault-js/pull/66 https://github.com/kyndryl-open-source/hashi-vault-js/releases/tag/v0.5.2 https://github.com/kyndryl-open-source/hashi-vault-js/security/advisories/GHSA-g956-2f74-rmv7

Frequently Asked Questions

What is CVE-2026-55100? +

hashi-vault-js is a Node.js module for interacting with the HashiCorp Vault API. Prior to 0.5.2, src/Vault.js concatenates unencoded identifier values including name, username, group, role, and version into Vault request paths and query strings instead of using encodeURIComponent() and URLSearchParams, allowing path traversal and query parameter injection. This issue is fixed in version 0.5.2.

How do I check if I'm vulnerable to CVE-2026-55100? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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