ZimaOS is a fork of CasaOS, an operating system for Zima devices and x86-64 systems with UEFI.

Code

The project this record applies to. Exploit listings stay in References.

• Repository · github.com

Timeline

Detection, updates, and resolution for this record.

1. Apr 3, 2026 · NIST NVD

   Detected

   ZimaOS is a fork of CasaOS, an operating system for Zima devices and x86-64 systems with UEFI. Prior to version 1.5.3, a proxy endpoint (/v1/sys/proxy) exposed by ZimaOS's web interface can be abused (via an externally reachable domain using a Cloudflare Tunnel) to make requests to internal localhost services. This results in unauthenticated access to internal-only endpoints and sensitive local se

2. Jul 24, 2026 · NIST NVD

   Updated

   ZimaOS is a fork of CasaOS, an operating system for Zima devices and x86-64 systems with UEFI. Prior to version 1.5.3, a proxy endpoint (/v1/sys/proxy) exposed by ZimaOS's web interface can be abused (via an externally reachable domain using a Cloudflare Tunnel) to make requests to internal localhost services. This results in unauthenticated access to internal-only endpoints and sensitive local se

Affected

• cpe zimaspace/zimaosversion unspecified

Sources

• CVE.orgVulnerability recordCVE-2026-28798

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-2026-28798

  ZimaOS is a fork of CasaOS, an operating system for Zima devices and x86-64 systems with UEFI. Prior to version 1.5.3, a proxy endpoint (/v1/sys/proxy) exposed by ZimaOS's web interface can be abused (via an externally reachable domain using a Cloudflare Tunnel) to make requests

  nvd.nist.gov

References

• Product · github.com
• Exploit · github.com