campaign-monitor_subscriber (RubyGems) · Malicious Code
Affects campaign-monitor_subscriberSource GCVE Database
Malicious package : remove campaign-monitor_subscriber and rotate any secrets on hosts that installed it.
Data as of 19 Jul 2026, 00:46 UTC
Malicious package
Published to RubyGems · OSV MAL-2024-6801
What to do
Remove campaign-monitor_subscriber 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 |
|---|---|---|
RubyGemscampaign-monitor_subscriberpkg:gem/campaign-monitor_subscriberOther 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 RubyGems package 'campaign-monitor_subscriber' version 1.0.4 contains malicious code as identified by the OpenSSF project. This is a case of a malicious package in the RubyGems ecosystem. No official patch or remediation guidance is currently provided.