CVE-2026-57489 – FileRise: AUTH_BYPASS reverse-proxy header trust without source IP validation enables full authentication bypass

​CVE ID :CVE-2026-57489

Published : Oct. 14, 2026, 9:17 p.m. | 30 minutes ago

Description :FileRise is a self-hosted web-based file manager with multi-file upload, editing, and batch operations. Prior to 3.16.0, FileRise deployments with AUTH_BYPASS enabled trust the configured reverse-proxy identity header without verifying that the request originated from FR_TRUSTED_PROXIES. When the backend application port is reachable directly, an unauthenticated attacker can supply X-Remote-User and obtain a session for the asserted account, including an administrator account, without a password or MFA. The flaw is limited to deployments that enable proxy-header authentication and expose an untrusted path to the backend. This issue is fixed in version 3.16.0.

Severity: 8.1 | HIGH

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