CVE-2026-69191 in FileRise
Summary
by MITRE • 10/15/2026
FileRise is a self-hosted web-based file manager with multi-file upload, editing, and batch operations. Prior to 3.21.0, FileRise enforces disableFormLogin, disableBasicAuth, and disableOIDCLogin in the client interface but not consistently in the corresponding server-side authentication flows. A user with otherwise valid credentials for a disabled method can call its backend endpoint directly and authenticate despite the administrator's login-method policy. The flaw does not permit credential-free authentication. This issue is fixed in version 3.21.0.
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Analysis
by VulDB Data Team • 10/15/2026
FileRise operates as a self-hosted web-based file management solution designed to facilitate multi-file uploads, editing capabilities, and batch operations for organizational data storage needs. The application provides administrators with granular control over authentication mechanisms through configuration flags such as disableFormLogin, disableBasicAuth, and disableOIDCLogin. These settings are intended to restrict user access methods according to security policies, ensuring that only approved authentication protocols remain active within the environment. However, prior to version 3.21.0, a critical architectural inconsistency existed between the client-side interface enforcement and server-side validation logic regarding these disabled authentication methods.
The core technical flaw lies in the disparity where the user interface correctly hides or disables login options corresponding to disabled methods, preventing users from initiating those flows through standard web interactions. Despite this front-end restriction, the backend API endpoints associated with Form Login, Basic Authentication, and OIDC Login did not perform equivalent checks against the server configuration state before processing authentication requests. This oversight allows an attacker who possesses valid credentials for any of these disabled protocols to bypass administrative restrictions by directly invoking the underlying REST or RPC endpoints that handle credential verification. The vulnerability essentially creates a backdoor through protocol-level access rather than interface-based interaction, undermining the intended security posture established by the administrator.
From an operational impact perspective, this flaw enables unauthorized authentication if an attacker has obtained credentials for any disabled method, such as via phishing, data breaches, or insider threats targeting specific legacy systems. While the vulnerability does not permit credential-free access and requires valid user secrets to exploit, it effectively nullifies the security controls meant to limit attack surfaces by disabling weaker or less secure authentication methods like Basic Auth or potentially misconfigured OIDC setups. This inconsistency can lead to policy violations where restricted protocols remain functionally accessible, increasing the risk of brute-force attacks against disabled endpoints or facilitating lateral movement if those credentials are compromised through other vectors. The issue is classified under CWE-284 Improper Access Control because it involves a failure to properly restrict access to resources based on security policies, and aligns with ATT&CK technique T1078 Valid Accounts as it leverages legitimate but improperly restricted authentication pathways.
To mitigate this vulnerability, organizations running FileRise versions prior to 3.21.0 must upgrade immediately to version 3.21.0 or later where the server-side validation logic has been corrected to consistently enforce disabled authentication methods at the API level regardless of client interface states. In environments where upgrading is not immediately feasible, administrators should implement network-level controls such as firewall rules or reverse proxy configurations to block direct access to the specific backend endpoints associated with Form Login, Basic Auth, and OIDC login for external traffic. Additionally, rigorous monitoring of authentication logs for attempts against disabled protocols can help detect exploitation activities while remediation efforts are underway. Ensuring that server-side security checks mirror client-side restrictions is a fundamental principle in secure application design, preventing configuration drift from resulting in unintended access paths.