Description
File Browser versions before 2.63.20 fail to honor the createUserDir isolation in proxy and hook authentication auto-provisioning paths. Attackers with valid upstream-authenticated credentials can read, modify, delete, and share files belonging to other users by exploiting the server root scope assignment.
Published: 2026-08-14
Score: 8.7 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Fri, 14 Aug 2026 17:15:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:*

Fri, 14 Aug 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 14 Aug 2026 13:30:00 +0000

Type Values Removed Values Added
First Time appeared Filebrowser
Filebrowser filebrowser
Vendors & Products Filebrowser
Filebrowser filebrowser

Fri, 14 Aug 2026 11:45:00 +0000

Type Values Removed Values Added
Description File Browser versions before 2.63.20 fail to honor the createUserDir isolation in proxy and hook authentication auto-provisioning paths. Attackers with valid upstream-authenticated credentials can read, modify, delete, and share files belonging to other users by exploiting the server root scope assignment.
Title File Browser before 2.63.20 Privilege Escalation via Proxy Authentication
Weaknesses CWE-284
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


Subscriptions

Filebrowser Filebrowser
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-08-14T16:52:18.149Z

Reserved: 2026-08-10T15:13:41.486Z

Link: CVE-2026-72837

cve-icon Vulnrichment

Updated: 2026-08-14T14:36:10.665Z

cve-icon NVD

Status : Received

Published: 2026-08-14T12:16:47.187

Modified: 2026-08-14T15:17:11.050

Link: CVE-2026-72837

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-14T13:15:17Z

Weaknesses