CVE-2026-30933

FileBrowser Quantum Incomplete Remediation of CVE-2026-27611: Password-Protected Share Bypass via /public/api/share/info

FileBrowser Quantum is a free, self-hosted, web-based file manager. Prior to 1.3.1-beta and 1.2.2-stable, the remediation for CVE-2026-27611 is incomplete. Password protected shares still disclose tokenized downloadURL via /public/api/share/info. This vulnerability is fixed in 1.3.1-beta and 1.2.2-stable.

Affected

gtsteffaniak · filebrowser

CVSS v4.0 GitHub

7.1 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N

CVSS v3.1 GITHUB

7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS

0.54% chance of exploitation in the next 30 days, 45th percentile

Published

2026-03-10

Proof-of-concept exploits (1)

• advisories/GHSA-525j-95gf-766f

Security advisories

• gtsteffaniak/filebrowser/security/advisories/GHSA-525j-95gf-766f
• gtsteffaniak/filebrowser/releases/tag/v1.3.1-beta

References

• CVE Record
• NVD entry