What is CVE-2026-32761?

CVE-2026-32761 is a medium-severity vulnerability in Filebrowser, classified under Improper Access Control. CVSS score: 6.5/10. Published 2026-03-20.

How severe is CVE-2026-32761?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Filebrowser

CVE-2026-32761

File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Versions 2.61.0 and below contain a permission enforcement bypass which allows users who are denied download privileges (perm.download = false) but granted share privileges (perm.share = true) to exfiltrate file content by creating public share links. While the direct raw download endpoint (/api/raw/) correctly enforces the download permission, the share creation endpoint only checks Perm.Share, and the public download handler (/api/public/dl/<hash>) serves file content without verifying that the original file owner has download permission. This means any authenticated user with share access can circumvent download restrictions by sharing a file and then retrieving it via the unauthenticated public download URL. The vulnerability undermines data-loss prevention and role-separation policies, as restricted users can publicly distribute files they are explicitly blocked from downloading directly. This issue has been fixed in version 2.62.0.

Published 2026-03-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.005 (37.0th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 37.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.005 · change: +0.000

Affected products

Filebrowser — versions < 2.62.0

Weakness classification (CWE)

References

github.com/filebrowser/filebrowser/security/advisories/GHSA-68j5-4m99-w9w9 (Exploit, Vendor Advisory)
github.com/filebrowser/filebrowser/commit/09a26166b4f79446e7174c017380f6db45444… (Patch)
github.com/filebrowser/filebrowser/releases/tag/v2.62.0 (Product, Release Notes)

Frequently asked questions

What is CVE-2026-32761?: CVE-2026-32761 is a medium-severity vulnerability in Filebrowser, classified under Improper Access Control. CVSS score: 6.5/10. Published 2026-03-20.
How severe is CVE-2026-32761?: Medium severity. CVSS v3 base score is 6.5 out of 10.