CVE-2026-82236 (CVSS 3.1)

Description

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.

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CVSS v3.1 Score

3.1

LOW

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

EPSS — Exploit Prediction

0.0028

Probability of exploitation

0.21%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-459 CWE-459

References

Other References

https://github.com/filebrowser/filebrowser/commit/0231b7eb https://github.com/filebrowser/filebrowser/security/advisories/GHSA-r6pg-pg54-rcr5 https://www.vulncheck.com/advisories/file-browser-2.63.6-through-2.63.23-share-link-exposure-via-file-deletion https://github.com/filebrowser/filebrowser/security/advisories/GHSA-r6pg-pg54-rcr5

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 3.1 (LOW).

How severe is CVE-2026-82236? +

CVE-2026-82236 has a CVSS v3.1 score of 3.1 out of 10, rated LOW. This is a low-severity vulnerability with limited impact. The EPSS score is 0.0028, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-82236? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2026-82236