wybc6423a5 (RubyGems) · Malicious Code
Affects wybc6423a5Source GCVE Database
Malicious package : remove wybc6423a5 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-2026-9513
What to do
Remove wybc6423a5 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 |
|---|---|---|
RubyGemswybc6423a5pkg:gem/wybc6423a5Other 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
--- _-= Per source details. Do not edit below this line.=-_ ## Source: ghsa-malware (3683d010f4856bfb71dc5e63c6caed54bb9b8eef34fbf324768d11ab1041990e) --- Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/9fbb5fba02ba2f02395d3d2d43c31b2c482b7a9d/osv/malicious/rubygems/wybc6423a5/MAL-2026-9513.json))