Embedded Malicious Code Affecting pgserve package, versions >=1.1.11 <=1.1.14
Threat Intelligence
Exploit Maturity
Snyk has reported that there have been attempts or successful attacks targeting this vulnerability.
Attacked
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Test your applications- Snyk IDSNYK-JS-PGSERVE-16119105
- published22 Apr 2026
- disclosed20 Apr 2026
- creditStepSecurity
Introduced: 20 Apr 2026
New Malicious CVE NOT AVAILABLE CWE-506 (opens in a new tab)Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Avoid using all malicious instances of the pgserve package.
Overview
pgserve is an Embedded PostgreSQL server with true concurrent connections - zero config, auto-provision databases
Affected versions of this package are vulnerable to Embedded Malicious Code that injects a credential-harvesting script that runs via postinstall on every npm install. It demonstrates supply-chain worm behaviour by re-injecting itself into every package which npm token it harvested, propagating the compromise further.