lammcal5 (RubyGems) · Malicious Code
Affects lammcal5Source GCVE Database
Malicious package : remove lammcal5 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-2026-7882
What to do
Remove lammcal5 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 |
|---|---|---|
RubyGemslammcal5pkg:gem/lammcal5Other 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 RubyGem package 'lammcal5' version 0.0.1 has been identified as containing malicious code. This is a case of a malicious package in the RubyGems ecosystem, flagged by the OpenSSF project. No CVSS score is available for this threat. There is no indication of known exploits in the wild or available patches.