wjcab (RubyGems) · Malicious Code
Affects wjcabSource GCVE Database
Malicious package : remove wjcab and rotate any secrets on hosts that installed it.
Data as of 26 Oct 2026, 16:07 UTC
Malicious package
Published to RubyGems · OSV MAL-2026-9362
What to do
Remove wjcab 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 |
|---|---|---|
RubyGemswjcabpkg:gem/wjcabOther threats | Affected
| Fixed in– |
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Description
The RubyGems package 'wjcab' version 0.0.1 contains malicious code as identified by the OpenSSF malicious packages project. This is a supply chain threat where the package itself is intentionally harmful. No CVSS score or detailed technical exploitation information is provided.