cve.bz

CVE-2026-33638

5.3 mediumEPSS 0.5%

Medium (5.3) in ech0 ech0. EPSS 0.5% chance of exploitation in the next 30 days. Fixed in github.com/lin-snow/ech0 1.4.8-0.20260322121226-acbf1fd71011.

Ech0 is an open-source, self-hosted publishing platform for personal idea sharing. Prior to version 4.2.0, `GET /api/allusers` 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.

Severity

CVSS 3.1

5.3 medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS
0.5% chance of exploitation in the next 30 days; higher than 43% of CVEs (scores of 2026-10-31)
CWE
CWE-862
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-m983-7426-5hrjGogithub.com/lin-snow/ech0<1.4.8-0.20260322121226-acbf1fd710111.4.8-0.20260322121226-acbf1fd71011
GO-2026-4838Gogithub.com/lin-snow/ech0<1.4.8-0.20260322121226-acbf1fd710111.4.8-0.20260322121226-acbf1fd71011

References

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