What is CVE-2026-82236?

CVE-2026-82236 is a low-severity vulnerability in Filebrowser, classified under Incomplete Cleanup. CVSS score: 3.1/10. Published 2026-08-28.

How severe is CVE-2026-82236?

Low severity. CVSS v3 base score is 3.1 out of 10.

Vulnerability in Filebrowser

CVE-2026-82236

File Browser versions from 2.63.6 through 2.63.23 fail to clean up public share links when a privileged user deletes another user's shared file. Attackers can access the surviving share link to retrieve new unrelated content uploaded to the same path without authentication.

Published 2026-08-28 · last modified 2026-09-30.

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.004 (26.8th percentile), scored 2026-10-13.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 26.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001

Affected products

Filebrowser

Weakness classification (CWE)

CWE-459 — Incomplete Cleanup

References

github.com/filebrowser/filebrowser/security/advisories/GHSA-r6pg-pg54-rcr5 (vendor-advisory)
github.com/filebrowser/filebrowser/commit/0231b7eb (patch)
www.vulncheck.com/advisories/file-browser-2.63.6-through-2.63.23-share-link-exp… (third-party-advisory)

Frequently asked questions

What is CVE-2026-82236?: CVE-2026-82236 is a low-severity vulnerability in Filebrowser, classified under Incomplete Cleanup. CVSS score: 3.1/10. Published 2026-08-28.
How severe is CVE-2026-82236?: Low severity. CVSS v3 base score is 3.1 out of 10.