Vulnerability · Published Oct 14, 2026 · Assigned by GitHub_M

CVE-2026-57490FileRise: WebDAV authentication bypasses TOTP/MFA entirely

High 8.1

In plain English

A high-severity security flaw in FileRise from error311. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 44% of all known vulnerabilities).

Severity (CVSS 3.1)8.1High

Exploit odds (30 days)0.5%top 55.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

FileRise is a self-hosted web-based file manager with multi-file upload, editing, and batch operations. Prior to 3.16.0, when an administrator has enabled WebDAV, FileRise WebDAV Basic authentication validates only the account username and password through AuthModel::authenticate() and does not enforce the account's configured TOTP factor. An attacker who knows valid primary credentials for a TOTP-enabled account can authenticate to the enabled WebDAV service without supplying the second factor and exercise the account's WebDAV file permissions. The browser login path enforces TOTP, but the separate public/webdav.php authentication callback did not. This issue is fixed in version 3.16.0.

Affected products (as reported)

Vendor	Product	Versions
error311	FileRise	< 3.16.0

Weakness: CWE-308 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

References

https://github.com/error311/FileRise/security/advisories/GHSA-cx7g-xhj8-8cx3 x_refsource_CONFIRM
https://github.com/error311/FileRise/commit/f7114ca2a4e624238dda0d097a07ad6b05c11bb6 x_refsource_MISC
https://github.com/error311/FileRise/releases/tag/v3.16.0 x_refsource_MISC