← Thursday, October 15, 2026SecurityBenchmark
Only two of 25 package managers verify every downloaded package
A review of 25 package managers found that fewer than half use lockfiles that check for tampering by default, and only two verify every downloaded package. The findings expose a supply-chain integrity gap engineers should consider when choosing package tooling.
- What
- A review tested 25 popular package managers for detecting malicious repositories that inject code into legitimate packages.
- How
- Only two verified every downloaded package; fewer than half used tamper-checking lockfiles by default, and only Go verified signatures by default.
- Why it matters
- Weak package integrity leaves repositories as a supply-chain target, while hash and signature protections can require extra configuration or careful design.
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