c00_arcguide (RubyGems) · Malicious Code
Affects c00_arcguideSource GCVE Database
Malicious package : remove c00_arcguide and rotate any secrets on hosts that installed it.
Data as of 19 Jul 2026, 00:23 UTC
Malicious package
Published to RubyGems · OSV MAL-2026-7554
What to do
Remove c00_arcguide 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 |
|---|---|---|
RubyGemsc00_arcguidepkg:gem/c00_arcguideOther threats | Affected
| Fixed in– |
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Description
The RubyGems package 'c00_arcguide' version 0.0.1 contains malicious code as identified by the OpenSSF project. This package is flagged as a malicious package in the RubyGems ecosystem. There is no CVSS score or detailed technical exploit information available. No official patch or remediation guidance has been provided.