OpenSSF/OSV advisory MAL-2026-6508 confirms this npm version as malicious. tw-style-utils@0.7.0 was scanned and produced no findings indicative of supply-chain attack behavior. No install-time lifecycle scripts performing remote fetches or code execution, no credential or environment exfiltration patterns, no hardcoded attacker-controlled network destinations, no obfuscated payloads, and no suspicious dependency-tree manipulation were observed in the scanned files.
Source
OpenSSF Malicious Packages via OSV
Summary
Malicious code in tw-style-utils (npm)
Details
tw-style-utils@0.7.0 was scanned and produced no findings indicative of supply-chain attack behavior. No install-time lifecycle scripts performing remote fetches or code execution, no credential or environment exfiltration patterns, no hardcoded attacker-controlled network destinations, no obfuscated payloads, and no suspicious dependency-tree manipulation were observed in the scanned files.
## Source: ghsa-malware (0af16d76f3fa788874c372ddcf606db1ee997f80329274dca8049e9638221318) 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 tw-style-utils@0.7.0 as malicious (MAL-2026-6508): Malicious code in tw-style-utils (npm)