OpenSSF/OSV advisory MAL-2026-2524 confirms this npm version as malicious. Malicious package due to suspicious callback URL, hostname exfiltration, preinstall script execution, and only one published version.
Source
OpenSSF Malicious Packages via OSV
Summary
Malicious code in a2a-chat-canvas (npm)
Details
Malicious package due to suspicious callback URL, hostname exfiltration, preinstall script execution, and only one published version.
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## Source: amazon-inspector (d466a45c588940f8279288c439a4665d5368f0a7642c966de8e9fd307bc028b3) The package a2a-chat-canvas was found to contain malicious code.
## Source: ghsa-malware (f00e715dfd6edea72333ace82efe5a1aad300d4ef499fced9cd6252d147259d6) 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.
Decision reason
OpenSSF Malicious Packages via OSV confirms a2a-chat-canvas@97.9.9 as malicious (MAL-2026-2524): Malicious code in a2a-chat-canvas (npm)