Coinbase Open-Source Project Targeted in GitHub Actions Supply Chain Attack
Coinbase's open-source project, 'agentkit', was a primary target in the 'tj-actions/changed-files' GitHub Action supply chain attack. Attackers obtained a GitHub token with write permissions to the 'agentkit' repository, aiming to leverage it for further compromises. While Coinbase's security team detected and mitigated the intrusion, preventing damage to the project or other assets, the incident highlights the risks of third-party dependencies. The attack began on March 10, 2025, and was detected on March 14, 2025, with public reporting starting around March 10-14, 2025.
Signal context
First seen: Mar 10, 2025
Last updated: Jun 26, 2026
Status: Public signal
Key points
- Coinbase's 'agentkit' open-source project was a primary target.
- Attackers gained write permissions to the 'agentkit' repository via a stolen GitHub token.
- Attack occurred between March 10 and March 14, 2025.
Signal analysis
BetaIt helps compare this signal with other published signals without treating the labels as final determinations.
Likely country: 🇸🇪 Sweden
inferred from source domains
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
GitHub Actions Supply Chain Attack: A Targeted Attack on Coinbase Expanded to the Widespread tj-actions/changed-files Incident: Threat Assessment (Updated 4/2) - Unit 42https://unit42.paloaltonetworks.com/github-actions-supply-chain-attack/Public source from unit42.paloaltonetworks.com.
Coinbase was primary target of recent GitHub Actions breaches - Bleeping Computerhttps://www.bleepingcomputer.com/news/security/coinbase-was-primary-target-of-recent-github-actions-breaches/Public source from bleepingcomputer.com.
GitHub Supply Chain Breach: Coinbase Attack Exposes 218 Repositories, Leaks CI/CD Secrets - Cyprohttps://cypro.se/github-supply-chain-breach-coinbase-attack-exposes-218-repositories-leaks-ci-cd-secrets/Public source from cypro.se.
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