swc422 (RubyGems) · Malicious Code
Affects swc422Source GCVE Database
Malicious package : remove swc422 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-2026-8917
What to do
Remove swc422 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 |
|---|---|---|
RubyGemsswc422pkg:gem/swc422Other threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
Description
The RubyGems package 'swc422' version 0.0.1 contains malicious code as identified by the OpenSSF malicious packages database. This is a known malicious package rather than a traditional vulnerability. There is no CVSS score or detailed technical exploit information available. No patch or remediation guidance is provided.