zwcalx3 (RubyGems) · Malicious Code
Affects zwcalx3Source GCVE Database
Malicious package : remove zwcalx3 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-2026-9846
What to do
Remove zwcalx3 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 |
|---|---|---|
RubyGemszwcalx3pkg:gem/zwcalx3Other threats | Affected
| Fixed in– |
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Description
--- _-= Per source details. Do not edit below this line.=-_ ## Source: ghsa-malware (243e8102d91a57a6cfa6b3ac6909d087eafdfe9a0ee60d3a4cee1bba037d52d2) --- Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/9fbb5fba02ba2f02395d3d2d43c31b2c482b7a9d/osv/malicious/rubygems/zwcalx3/MAL-2026-9846.json))