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Malicious code in react-editable-calendar (npm)

0
Critical
Published: 06/27/2026 (06/27/2026, 09:55:36 UTC)
Source: GCVE Database
Product: react-editable-calendar

Description

The npm package 'react-editable-calendar' version 0.1.7 is identified as malicious. It declares a preinstall script pointing to a non-existent file, causing installation failure before any code execution. The package name and documented identity mismatch suggests possible intent to mislead developers. Although the published artifact does not contain exploitable code or network exfiltration capabilities, the package executes commands associated with malicious behavior. No known exploits are reported in the wild.

Affected software

npmghsa
react-editable-calendar
Affected versions
=0.1.7

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 07/09/2026, 10:47:51 UTC

Technical Analysis

The 'react-editable-calendar' npm package at version 0.1.7 includes a preinstall hook referencing a script file that is not included in the published package, causing installation to fail with ENOENT error before any code runs. The package's name does not match its documented identity, indicating possible deceptive intent. Despite these suspicious indicators and the package executing commands linked to malicious behavior, the published artifact itself does not contain exfiltration mechanisms or attacker-controlled network destinations. This combination of factors led to its classification as malicious by the OpenSSF Package Analysis project.

Potential Impact

Installation of version 0.1.7 of 'react-editable-calendar' will fail due to a missing preinstall script, preventing package code execution. There is no direct harm from the published artifact as it lacks exfiltration or dropper functionality. However, the package's deceptive naming and malicious command execution attempts pose a risk if modified or if other versions are published with active malicious payloads.

Mitigation Recommendations

No official patch or fix is currently available for version 0.1.7. Users should avoid installing or using this package version. Monitor the npm registry for any updates or advisories from the package maintainer or npm security teams. Since the package fails installation before execution, the immediate risk is limited, but caution is advised due to the malicious classification.

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Technical Details

Gcve Source
db.gcve.eu
Osv Id
MAL-2026-6547
Osv Schema Version
1.7.4
Aliases
[]
Ecosystems
["npm"]
Database Specific Severity
null
Cvss Version
null

Threat ID: 6a42ed7d27e9c79719939d03

Added to database: 06/29/2026, 22:11:09 UTC

Last enriched: 07/09/2026, 10:47:51 UTC

Last updated: 07/31/2026, 13:44:46 UTC

Views: 121

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