CVE-2026-123206

LowCVSS 3.7/10Last modified Nov 12, 2026

Description

EdgeChat before 2.20.3 contains a missing authentication vulnerability in the GET /files/:key route that allows unauthenticated or banned users to download decrypted public-channel attachments because canAccessFile() accepts a null user id. Attackers holding an attachment object key can omit or supply an invalid token to retrieve plaintext attachments without a session or channel membership.

Metrics

CVSS 3.1 3.7/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-306

Affected software

No affected versions have been published.

Timeline

Published: Nov 5, 2026
Last modified: Nov 12, 2026
NVD status: Deferred

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