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npm · Malicious package advisory

Malware

@zalastax/nolb-json-c

GHSA-xfx7-9gxw-j56f

Malicious code in @zalastax/nolb-json-c (npm)

Details

**Severity:** Critical

**Affected versions:** `> 0`

The package @zalastax/nolb-json-c was found to contain malicious code.

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/fab7a1742d58ad342ae3b3e018b6b545cdb9c4f8/osv/malicious/npm/@zalastax/nolb-json-c/MAL-2025-12094.json))

**References:**
- https://github.com/ossf/malicious-packages/blob/fab7a1742d58ad342ae3b3e018b6b545cdb9c4f8/osv/malicious/npm/@zalastax/nolb-json-c/MAL-2025-12094.json
- https://github.com/advisories/GHSA-xfx7-9gxw-j56f

Compromised versions (1)

  • > 0

Any computer that installed or ran a compromised version should be considered fully compromised. Rotate every secret on that machine from a clean environment.