MalwarePublished 17 Sep 2026

kartykgithub-multiversion-a (npm) · Malicious Code

Affects kartykgithub-multiversion-aSource GCVE Database

Malicious package : remove kartykgithub-multiversion-a and rotate any secrets on hosts that installed it.

Data as of 18 Sep 2026, 01:22 UTC

Classification

Malicious package

Published to npm · OSV MAL-2026-16272

What to do

Remove kartykgithub-multiversion-a from every project, lockfile and image that pulls it in. Treat any host that installed it as compromised: rotate the credentials, tokens and keys it could read, from a clean machine.

Affected software

Product	Affected	Fixed in
npmkartykgithub-multiversion-a	Affected =1.0.1 =1.0.0	Fixed in–

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Description

The npm package 'kartykgithub-multiversion-a' versions 1.0.0 and 1.0.1 contain malicious code that compromises any computer on which it is installed or running. The presence of this package indicates a full system compromise, and all secrets and keys stored on the affected machine should be rotated immediately from a different, trusted device. Removing the package alone does not guarantee removal of all malicious software introduced by it.

Impact

Any system with this package installed or running is fully compromised, potentially allowing attackers full control over the machine. All sensitive information such as secrets and keys stored on the system are at risk of exposure and misuse. The compromise is severe enough that simply uninstalling the package does not guarantee removal of all malicious artifacts.

Defensive guidance

Remove the 'kartykgithub-multiversion-a' package immediately from affected systems. Rotate all secrets and keys stored on the compromised machine from a separate, trusted device. Due to the full compromise, consider rebuilding the affected system to ensure complete removal of malicious software.

Summary

The 'kartykgithub-multiversion-a' npm package versions 1.0.0 and 1.0.1 contain embedded malicious code that, when installed or executed, fully compromises the host system. This compromise allows an external entity to gain control over the affected computer. Due to the severity of the compromise, all credentials and secrets stored on the machine should be considered exposed and must be rotated from a secure environment. Removal of the package does not ensure complete eradication of the malicious presence.

References

github.com/advisories/GHSA-p957-4pc7-x6hp (opens in a new tab)

Community reviews

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What to do

Affected software

Description

AI analysisMachine-generated, updated 18 Sep 2026, 01:22 UTC

Technical details

References

Community reviews