Ech0 is an open-source, self-hosted publishing platform for personal idea sharing.

Code

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

• Repository · github.com

Timeline

Detection, updates, and resolution for this record.

1. Mar 26, 2026 · NIST NVD

   Detected

   Ech0 is an open-source, self-hosted publishing platform for personal idea sharing. Prior to version 4.2.0, is mounted as a public endpoint and returns user records without authentication. This allows remote unauthenticated user enumeration and exposure of user profile metadata. A fix is available in v4.2.0.

2. Jun 17, 2026 · NIST NVD

   Updated

   Ech0 is an open-source, self-hosted publishing platform for personal idea sharing. Prior to version 4.2.0, is mounted as a public endpoint and returns user records without authentication. This allows remote unauthenticated user enumeration and exposure of user profile metadata. A fix is available in v4.2.0.

Affected

• cpe ech0/ech0version unspecified

Sources

• CVE.orgVulnerability recordCVE-2026-33638

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-2026-33638

  Ech0 is an open-source, self-hosted publishing platform for personal idea sharing. Prior to version 4.2.0, is mounted as a public endpoint and returns user records without authentication. This allows remote unauthenticated user enumeration and exposure of user

  nvd.nist.gov

References

• Patch · github.com
• Product · github.com
• Vendor Advisory · github.com