MalwarePublished 4 Nov 2026

@fyxzpediaa/libsignal (npm) · Malicious Code

Affects @fyxzpediaa/libsignalSource GCVE Database

Malicious package : remove @fyxzpediaa/libsignal and rotate any secrets on hosts that installed it.

Data as of 4 Nov 2026, 20:15 UTC

Classification

Malicious package

Published to npm · OSV MAL-2026-18628

What to do

Remove @fyxzpediaa/libsignal 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
npm@fyxzpediaa/libsignal	Affected–	Fixed in–

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Description

The npm package @fyxzpediaa/libsignal is identified as containing malicious code. Any system with this package installed or running is considered fully compromised, with potential unauthorized control by an attacker. Immediate rotation of all secrets and keys stored on the affected system is recommended. Removal of the package alone may not eliminate all malicious components due to possible persistent control established by the attacker.

Impact

Systems with the @fyxzpediaa/libsignal package installed or running are fully compromised, potentially allowing attackers complete control over the system and access to all stored secrets and keys. This poses a severe security risk including data theft, unauthorized access, and persistent system compromise.

Defensive guidance

Immediately remove the @fyxzpediaa/libsignal package from affected systems. Rotate all secrets and keys stored on the compromised systems from a different, secure computer. Due to the likelihood of persistent malicious control, consider rebuilding or thoroughly cleaning the affected systems to ensure complete eradication of the threat.

Summary

The @fyxzpediaa/libsignal npm package is reported as malicious software. Installation or execution of this package results in a full compromise of the host system. The attacker may gain complete control, risking exposure of all stored secrets and keys. The advisory strongly recommends rotating all credentials from a separate, uncompromised system. Simply uninstalling the package does not guarantee removal of all malicious artifacts or backdoors introduced by the attacker.

References

github.com/advisories/GHSA-xwm4-6w5f-x95p (opens in a new tab)

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What to do

Affected software

Description

AI analysisMachine-generated, updated 4 Nov 2026, 20:15 UTC

Technical details

References

Community reviews