---
id: "MAL-2025-49247"
kind: "package"
aliases: ["MAL-2025-49247"]
title: "Malicious code in siren-lament (npm)"
severity: "critical"
cvss: null
epss: null
exploited: false
status: "open"
category: "package"
products: [{"name": "siren-lament", "fixed": [], "affected": "all versions", "ecosystem": "npm"}]
ecosystems: ["npm"]
tags: ["malicious", "package"]
not_affected_if: []
published_at: "2025-10-29T22:29:06+00:00"
first_seen_at: "2026-10-29T14:54:46+00:00"
updated_at: "2026-10-29T14:55:09+00:00"
sources: [{"source": "osv-malicious", "url": "https://osv.dev/vulnerability/MAL-2025-49247", "first_seen_at": "2026-10-29T14:54:46+00:00"}]
---

# Malicious code in siren-lament (npm)

## Affected

- npm:siren-lament affected all versions fixed ?

## Timeline

- 2026-10-29T14:54:46+00:00 osv-malicious https://osv.dev/vulnerability/MAL-2025-49247

## From the sources

---
_-= Per source details. Do not edit below this line.=-_

## Source: amazon-inspector (66198e889b19f908f338ab5cad00c57bc95194bff8938dcf26c4a853c0b260d8)
The package contains two files and declares no lifecycle scripts, remote fetches, credential reads, or network exfiltration paths. Version coordinate 0.0.0-stage and minimal file count are consistent with a placeholder or staging publish rather than a functional library. No code paths that would compromise an installer on npm install or require() were identified.

## Source: ossf-package-analysis (092c6ea787d7e5e30dda10413bd19dd94ef1007bec6652aa050ecd4e27acbf4f)
The OpenSSF Package Analysis project identified 'siren-lament' @ 2.14.827 (npm) as malicious.

It is considered malicious because:

- The package executes one or more commands associated with malicious behavior.

---

_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_
