error311 FileRise up to 3.15.x WebDAV public/webdav.php AuthModel::authenticate improper authentication

Summaryinfo

A vulnerability was found in error311 FileRise up to 3.15.x and classified as critical. This vulnerability affects the function AuthModel::authenticate of the file public/webdav.php of the component WebDAV. Such manipulation leads to improper authentication. This vulnerability is listed as CVE-2026-57490. The attack may be performed from remote. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in error311 FileRise up to 3.15.x and classified as critical. Affected by this issue is the function AuthModel::authenticate of the file public/webdav.php of the component WebDAV. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-57490 since 06/24/2026. The exploitation is known to be easy. The attack may be launched remotely. There are known technical details, but no exploit is available.

By approaching the search of inurl:public/webdav.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 3.16.0 eliminates this vulnerability.

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Productinfo

Vendor

• error311

Name

• FileRise

Version

• 3.0
• 3.1
• 3.2
• 3.3
• 3.4
• 3.5
• 3.6
• 3.7
• 3.8
• 3.9
• 3.10
• 3.11
• 3.12
• 3.13
• 3.14
• 3.15

Website

• Product: https://github.com/error311/FileRise/

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