Medium severity5.3OSV Advisory· Published Mar 26, 2026· Updated Mar 31, 2026
CVE-2026-33638
CVE-2026-33638
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/lin-snow/ech0Go | < 1.4.8-0.20260322121226-acbf1fd71011 | 1.4.8-0.20260322121226-acbf1fd71011 |
Affected products
3- ghsa-coords2 versionspkg:golang/github.com/lin-snow/ech0pkg:rpm/opensuse/govulncheck-vulndb&distro=openSUSE%20Leap%2015.6
< 1.4.8-0.20260322121226-acbf1fd71011+ 1 more
- (no CPE)range: < 1.4.8-0.20260322121226-acbf1fd71011
- (no CPE)range: < 0.0.20260326T203309-150000.1.155.2
Patches
Vulnerability mechanics
References
5- github.com/lin-snow/Ech0/commit/acbf1fd71011e6b9e1e6a911128056a19862f681nvdPatchWEB
- github.com/advisories/GHSA-m983-7426-5hrjghsaADVISORY
- github.com/lin-snow/Ech0/security/advisories/GHSA-m983-7426-5hrjnvdVendor AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2026-33638ghsaADVISORY
- github.com/lin-snow/Ech0/releases/tag/v4.2.0nvdProductRelease NotesWEB
News mentions
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