Web-Based File Manager Vulnerability in FileBrowser Quantum by GT Steffaniak
CVE-2026-46410

8.7HIGH

Key Information:

Vendor

Gtsteffaniak

Status
Filebrowser
Vendor
CVE Published:
20 July 2026

What is CVE-2026-46410?

FileBrowser Quantum, a self-hosted web-based file manager, has a vulnerability that may expose sensitive information such as file sources and paths. Users of versions prior to 1.3.2-stable and 1.4.1-beta are at risk. This issue has been resolved in the latest updates, and no known workarounds exist to mitigate the risk without upgrading. Keeping your software up to date is essential to ensure the security of your data.

Affected Version(s)

filebrowser < 1.3.2-stable < 1.3.2-stable

filebrowser < 1.4.1-beta < 1.4.1-beta

References

https://github.com/gtsteffaniak/filebrowser/security/advi...
x_refsource_CONFIRM
https://github.com/gtsteffaniak/filebrowser/commit/1802e1...
x_refsource_MISC

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.