zwtcheck3 (RubyGems) · Malicious Code
Affects zwtcheck3Source GCVE Database
Malicious package : remove zwtcheck3 and rotate any secrets on hosts that installed it.
Data as of 26 Oct 2026, 16:06 UTC
Malicious package
Published to RubyGems · OSV MAL-2026-9898
What to do
Remove zwtcheck3 from every project, lockfile and image that pulls it in. Treat any host that installed it as compromised: rotate the credentials, tokens and keys it could read, from a clean machine.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
RubyGemszwtcheck3pkg:gem/zwtcheck3Other threats | Affected
| Fixed in– |
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Description
--- _-= Per source details. Do not edit below this line.=-_ ## Source: ghsa-malware (71427cbe779598cd7a75f3ae15247629e53258849ba4b6738186715091d48903) --- Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/9fbb5fba02ba2f02395d3d2d43c31b2c482b7a9d/osv/malicious/rubygems/zwtcheck3/MAL-2026-9898.json))