zwcalx12 (RubyGems) · Malicious Code
Affects zwcalx12Source GCVE Database
Malicious package : remove zwcalx12 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-2026-9843
What to do
Remove zwcalx12 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 |
|---|---|---|
RubyGemszwcalx12pkg:gem/zwcalx12Other threats | Affected
| Fixed in– |
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Description
--- _-= Per source details. Do not edit below this line.=-_ ## Source: ghsa-malware (1f07ab9c9956730ce1cae319c551f04d7a86f06022ecaf3bd40a1dd44cbe3b0e) --- Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/9fbb5fba02ba2f02395d3d2d43c31b2c482b7a9d/osv/malicious/rubygems/zwcalx12/MAL-2026-9843.json))