CVE-2026-55100
High
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.
SeverityHigh
CVSS8.7
Exploit probability—
ProductHashi-vault-js
PublishedJul 31, 2026
First seenJul 31, 2026
Weakness typeCWE-23CWE-23CWE-74Injection
How to fix
Update
- hashi-vault-js0.5.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| hashi-vault-jsnpm | v < 0.5.2 | 0.5.2 |
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