rjan1 (RubyGems) · Malicious Code
Affects rjan1Source GCVE Database
Malicious package : remove rjan1 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-2026-8526
What to do
Remove rjan1 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 |
|---|---|---|
RubyGemsrjan1pkg:gem/rjan1Other 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 'rjan1' version 0.0.1 has been identified as containing malicious code. This is a report of a malicious package rather than a traditional vulnerability with a patch. There is no CVSS score or detailed technical exploit information available. No known exploits in the wild have been reported. The package is not a cloud service and no official fix or patch is documented.