VulnerabilityAnalyzed

CVE-2026-30933

Password protected shares still disclose tokenized downloadURL via /public/api/share/info.

HIGH 7.5EPSS 0.54%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.54%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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.

CVSS 3.1: 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS: 0.54% probability · 44th percentile
CISA KEV: Not listed
Weakness: CWE-200, CWE-306, CWE-602
Affected: filebrowser/filebrowser
Source: security-advisories@github.com

References

https://github.com/gtsteffaniak/filebrowser/releases/tag/v1.2.2-stableRelease Notes
https://github.com/gtsteffaniak/filebrowser/releases/tag/v1.3.1-betaRelease Notes
https://github.com/gtsteffaniak/filebrowser/security/advisories/GHSA-525j-95gf-766fExploit, Vendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.