MAL-2026-18628: Malicious code in @fyxzpediaa/libsignal (npm)
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Source: ghsa-malware (f3808ed94ac5c3235bf07f26f1159927b61f4ce208749cee231682be3c30130e) Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Remove
Remove
@fyxzpediaa/libsignalfrom your environment.Remove the package; removing it may not remove all malicious software resulting from its installation.
- Operational
Rotate all secrets and keys stored on any computer with @fyxzpediaa/libsignal installed or running, immediately and from a different computer.
Event History
Frequently Asked Questions
What systems should be treated as exposed?
Any computer where this package is installed or running should be considered fully compromised.
What should incident responders do first?
Rotate all secrets and keys stored on the affected computer immediately, using a different computer. Remove the package, but do not assume removal eliminates all malicious software.
Is removing the package sufficient to recover the system?
No. The available information warns that an outside entity may have received full control of the computer, so removing the package does not guarantee that all resulting malicious software has been removed.