CISA Contractor Leaks AWS GovCloud Keys and Internal Credentials on Public GitHub
A contractor for the Cybersecurity & Infrastructure Security Agency (CISA) maintained a public GitHub repository that exposed credentials to several highly privileged AWS GovCloud accounts and a large number of internal CISA systems. The exposure was flagged by GitGuardian on May 15, 2026, and reported to KrebsOnSecurity. The repository, named 'Private-CISA,' contained plaintext credentials, cloud keys, tokens, and internal CISA files, exposed since November 2025. CISA acknowledged the leak and took the repository offline.
Cisa
Signal context
First seen: May 15, 2026
Last updated: Jun 29, 2026
Status: Public signal
Key points
- CISA contractor exposed credentials on a public GitHub repository.
- Exposed data included AWS GovCloud keys and internal CISA system credentials.
- Repository contained plaintext passwords, cloud keys, tokens, and internal files.
Signal analysis
BetaThis analysis groups the signal by industry, likely incident action and impacted security area. It helps compare this signal with other published signals without treating the labels as final determinations.
Sector: Professional, Scientific, and Technical Services
Likely country: 🇺🇸 United States
inferred from company domain
The feed marks multiple actor roles. Treat this as a review signal rather than a final attribution.
- Source type: outside the affected organization
- Source type: possible insider or internal misuse
Impact area: Confidentiality
Likely asset: User or customer data, Server or cloud data store
- 5 signals in the same sector
- 90 signals with the same likely impact area
- 1 signal linked to this organization/domain
External sources
CISA Admin Leaked AWS GovCloud Keys on Github - Krebs on Securityhttps://krebsonsecurity.com/2026/05/cisa-admin-leaked-aws-govcloud-keys-on-github/Public source from krebsonsecurity.com.
CISA's GitHub Leak Is a Preview of the MCP Security Problem Every CISO Is About to Inherithttps://www.nightfall.ai/blog/cisas-github-leak-is-a-preview-of-the-mcp-security-problem-every-ciso-is-about-to-inheritPublic source from nightfall.ai.
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