VDB
GCVE-110-OSM-2026-8741
GCVE-110-OSM-2026-8741
Advisory PublishedCVSS 8.8/10
Legitimate Fastlane plugin with 574,661 total downloads whose dormant maintainer account was hijacked as part of the SleeperGem campaign. A different compromised account from the Dendreo gem was used, indicating the attacker had access to multiple dormant RubyGems accounts. The attacker added the malicious git_credential_manager gem as a dependency to propagate the backdoor to the plugin's large install base.
=== DORMANT ACCOUNT HIJACKING ===
Total gem downloads: 574,661
Different maintainer account compromised than Dendreo
Both accounts were long-dormant and reactivated within hours of each other
=== DEPENDENCY INJECTION ===
Malicious dependency added: git_credential_manager
Payload delivery: Indirect via dependency chain
High-impact target due to large download count and Fastlane/mobile CI usage
Weaknesses (CWE)
CWE-506Embedded Malicious Code
Risk Scores
CVSS 3.1
8.8/10
High · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| unknown | fastlane-plugin-run_tests_firebase_testlab | all (affected) | — |
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