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Malicious code in classlesson (npm)

0
Critical
Published: 08/25/2026 (08/25/2026, 05:33:29 UTC)
Source: GCVE Database
Product: classlesson

Description

The npm package 'classlesson' version 1.0.0 contains malicious code or depends on a package with malicious code. Installing or running this package can lead to a full compromise of the affected computer, potentially exposing all stored secrets and keys. Immediate removal of the package and rotation of all secrets from a different, uncompromised machine is strongly advised.

Affected software

npmghsa
classlesson
Affected versions
=1.0.0

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/10/2026, 18:49:19 UTC

Technical Analysis

The 'classlesson' npm package version 1.0.0 has been identified as containing malicious code or relying on a malicious dependency. According to Amazon Inspector and GitHub Security Advisory sources, any system with this package installed should be considered fully compromised. The malicious code may grant attackers full control over the system, risking exposure of sensitive credentials and secrets. Removal of the package alone may not fully remediate the compromise due to potential persistence mechanisms.

Potential Impact

Full system compromise is likely if the package is installed or running. All secrets and keys stored on the affected computer are at risk and should be rotated immediately from a secure environment. The presence of this package undermines system integrity and confidentiality.

Defensive Guidance

Remove the 'classlesson' package version 1.0.0 immediately from all affected systems. Rotate all secrets and keys from a separate, uncompromised machine. Due to the potential for persistent malicious activity, consider a full system investigation and remediation beyond just package removal.

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Technical Details

Gcve Source
db.gcve.eu
Osv Id
MAL-2026-14447
Osv Schema Version
1.7.4
Aliases
["GHSA-rxrv-wfcx-mpjc"]
Ecosystems
["npm"]

Threat ID: 6a8d9ae7acd9273b493e172b

Added to database: 08/25/2026, 13:38:47 UTC

Last enriched: 09/10/2026, 18:49:19 UTC

Last updated: 10/04/2026, 04:14:40 UTC

Views: 26

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