lambproxjanb (RubyGems) · Malicious Code
Affects lambproxjanbSource GCVE Database
Malicious package : remove lambproxjanb 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-2026-7821
What to do
Remove lambproxjanb 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 |
|---|---|---|
RubyGemslambproxjanbpkg:gem/lambproxjanbOther 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 'lambproxjanb' version 0.0.1 has been identified as containing malicious code. This package is flagged as a malicious package by the OpenSSF project and is listed in the GitHub Security Advisory database. There is no CVSS score or detailed technical exploit information available. No official patch or remediation guidance is provided.