Red Hat Confirms GitLab Instance Breach by Crimson Collective
Red Hat confirmed a security incident where the cyber threat group 'Crimson Collective' claimed responsibility for exfiltrating approximately 570 GB of compressed data from over 28,000 internal GitLab repositories. The stolen data included sensitive information from around 800 Customer Engagement Reports (CERs), containing client infrastructure details, authentication tokens, and network configurations. The breach was later associated with extortion attempts by the ShinyHunters group.
Signal context
First seen: Oct 13, 2025
Last updated: Jun 25, 2026
Status: Public signal
Key points
- 570 GB of data exfiltrated from 28,000 internal GitLab repositories.
- Crimson Collective claimed responsibility, with ShinyHunters involved in extortion.
- Stolen data includes client infrastructure details, authentication tokens, and network configurations.
Signal analysis
BetaIt helps compare this signal with other published signals without treating the labels as final determinations.
Likely country: Location not provided
Watch internet-facing systems, credential abuse and exploit activity.
- Source type: outside the affected organization
Impact area: Confidentiality
Likely asset: User or customer data
- 1 signal in the same sector
- 90 signals with the same likely impact area
- 1 signal linked to this organization/domain
External sources
Top 10 Data Breaches of 2025 and What Caused Them - Guardzhttps://guardz.com/blog/top-recent-data-breaches/Public source from guardz.com.
October 2025: Biggest Cyber Attacks, Ransomware Attacks Data Breacheshttps://www.cm-alliance.com/cybersecurity-blog/october-2025-biggest-cyber-attacks-ransomware-attacks-data-breachesPublic source from cm-alliance.com.
13th October – Threat Intelligence Report - Check Point Researchhttps://research.checkpoint.com/2025/13th-october-threat-intelligence-report/Public source from research.checkpoint.com.
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