VYPR

gem · Malicious package advisory

Malware

monolith-twirp-features-featureflaghub

GHSA-v49q-9vp5-2wrh

Malicious code in monolith-twirp-features-featureflaghub (RubyGems)

Details

**Severity:** Critical

**Affected versions:** `= 1.5.0`

## Source: ossf-package-analysis (8fb5fd24604e319bf0fd432162579d9b9ffa30c7eb829de263bccf4f7a04d58b)
The OpenSSF Package Analysis project identified 'monolith-twirp-features-featureflaghub' @ 1.5.0 (rubygems) as malicious.

It is considered malicious because:

- The package executes one or more commands associated with malicious behavior.

---

Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/9fbb5fba02ba2f02395d3d2d43c31b2c482b7a9d/osv/malicious/rubygems/monolith-twirp-features-featureflaghub/MAL-2025-46927.json))

**References:**
- https://github.com/ossf/malicious-packages/blob/9fbb5fba02ba2f02395d3d2d43c31b2c482b7a9d/osv/malicious/rubygems/monolith-twirp-features-featureflaghub/MAL-2025-46927.json
- https://github.com/advisories/GHSA-v49q-9vp5-2wrh

Compromised versions (1)

  • = 1.5.0

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