zlam_cal27 (RubyGems) · Malicious Code
Affects zlam_cal27Source GCVE Database
Malicious package : remove zlam_cal27 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-2026-9616
What to do
Remove zlam_cal27 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 |
|---|---|---|
RubyGemszlam_cal27pkg:gem/zlam_cal27Other 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 (cae49b31c33fe13f3cc339a3dda4513a8b40f5042766151fb841bd3f6a96a556) --- Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/9fbb5fba02ba2f02395d3d2d43c31b2c482b7a9d/osv/malicious/rubygems/zlam_cal27/MAL-2026-9616.json))