VYPR
← All malware advisories

gem · Malicious package advisory

Malware

kaleido

GHSA-xv4c-3p6c-xfhm

Malicious code in kaleido (RubyGems)

Details

**Severity:** Critical

**Affected versions:** `= 5000.1.0`

---

Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/9fbb5fba02ba2f02395d3d2d43c31b2c482b7a9d/osv/malicious/rubygems/kaleido/MAL-2026-1917.json))

**References:**
- https://github.com/ossf/malicious-packages/blob/9fbb5fba02ba2f02395d3d2d43c31b2c482b7a9d/osv/malicious/rubygems/kaleido/MAL-2026-1917.json
- https://github.com/advisories/GHSA-xv4c-3p6c-xfhm

Compromised versions (1)

  • = 5000.1.0

Any computer that installed or ran a compromised version should be considered fully compromised. Rotate every secret on that machine from a clean environment.