MemTensor AI Memory Tools supply chain attacked; developer credentials at risk

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Blockchain security firm SlowMist reported a supply chain attack targeting MemTensor’s AI memory tools, including MemoryOS (PyPI) and OpenClaw (npm). The malicious code, embedded in Go binaries, steals developer tooling credentials and on-chain data, including npm/PyPI tokens, GitHub/GitLab keys, and AWS credentials. Attackers transmit stolen data to skyleen[.]fr. Users are advised to downgrade to secure versions, block the malicious domain, and rotate credentials. Affected versions include MemoryOS==2.0.34 and OpenClaw 0.1.21, 0.1.23, and 0.1.25.

According to monitoring by blockchain security firm SlowMist (@SlowMist_Team), MemTensor’s AI memory tool library MemoryOS (PyPI) and its OpenClaw plugin (npm) have been subjected to a supply chain attack. The compromised versions contain a cross-platform Go binary that automatically executes malicious code when the package is loaded or imported. Affected versions include MemoryOS==2.0.34 on PyPI and plugin versions 0.1.21, 0.1.23, and 0.1.25 on npm. Attackers can exploit this to steal sensitive information such as npm/PyPI tokens, GitHub/GitLab credentials, AWS keys, SSH keys, API tokens, and environment variables, which are exfiltrated to the attacker-controlled infrastructure skyleen[.]fr. The affected npm plugin may also expose user prompt content. SlowMist recommends that users immediately downgrade the affected packages to secure versions (npm to 0.1.20 and PyPI to 2.0.33), terminate any sckit-related processes, block the malicious infrastructure, review network activity, and rotate all credentials in affected environments.

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