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Malicious code in knot-simple-formatter (RubyGems)

0
Critical
Published: 05/13/2026 (05/13/2026, 03:09:00 UTC)
Source: GCVE Database
Product: knot-simple-formatter

Description

The knot-simple-formatter RubyGem version 1.0.0 is identified as a malicious package. It is part of the Go BufferZoneCorp and RubyGems knot-theory clusters known to steal credentials, establish unauthorized SSH access, and manipulate build and workflow environment variables. This package poses a significant security risk to users who install or use it.

Affected software

RubyGemsghsa
knot-simple-formatter
Affected versions
=1.0.0

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 07/18/2026, 23:50:16 UTC

Technical Analysis

The knot-simple-formatter package (RubyGems ecosystem) at version 1.0.0 is a malicious package associated with the Go BufferZoneCorp and RubyGems knot-theory clusters. The malicious behavior includes credential theft, unauthorized SSH access setup, and tampering with build and workflow environment variables. There is no CVSS score or detailed technical exploit information available. No official patch or remediation is documented in the provided data.

Potential Impact

Users of knot-simple-formatter version 1.0.0 risk credential compromise, unauthorized remote access via SSH, and interference with build or workflow environments, potentially leading to broader system compromise or disruption of development pipelines.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix or removal guidance is provided, users should avoid installing or using knot-simple-formatter version 1.0.0. If already installed, remove the package immediately and audit systems for unauthorized access or credential compromise.

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Technical Details

Gcve Source
db.gcve.eu
Osv Id
MAL-2026-3636
Osv Schema Version
1.7.4
Aliases
["GHSA-hhcv-8cwc-9rm2"]
Ecosystems
["RubyGems"]
Database Specific Severity
null
Cvss Version
null

Threat ID: 6a5ba5f044ab8fbf7c805150

Added to database: 07/18/2026, 16:12:32 UTC

Last enriched: 07/18/2026, 23:50:16 UTC

Last updated: 07/31/2026, 20:12:56 UTC

Views: 18

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