CVE-2026-33638

{"id": "CVE-2026-33638", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 3.9}]}, "published": "2026-03-26T21:17:07.467", "references": [{"url": "https://github.com/lin-snow/Ech0/commit/acbf1fd71011e6b9e1e6a911128056a19862f681", "tags": ["Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/lin-snow/Ech0/releases/tag/v4.2.0", "tags": ["Product", "Release Notes"], "source": "security-advisories@github.com"}, {"url": "https://github.com/lin-snow/Ech0/security/advisories/GHSA-m983-7426-5hrj", "tags": ["Vendor Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-862"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Ech0 es una plataforma de publicaci\u00f3n de c\u00f3digo abierto y autoalojada para compartir ideas personales. Antes de la versi\u00f3n 4.2.0, `GET /api/allusers` est\u00e1 montado como un endpoint p\u00fablico y devuelve registros de usuario sin autenticaci\u00f3n. Esto permite la enumeraci\u00f3n remota de usuarios no autenticados y la exposici\u00f3n de metadatos de perfil de usuario. Una soluci\u00f3n est\u00e1 disponible en la v4.2.0."}], "lastModified": "2026-03-31T21:09:16.307", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:ech0:ech0:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "10A3DFF1-8E0A-435D-BD3D-1615E472D006", "versionEndExcluding": "4.2.0"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}