Description
File Browser through 2.63.23 applies path rules to the requested lexical path but resolves symbolic links without reapplying rules to the target, allowing authenticated users to bypass deny rules. Attackers can read and overwrite rule-denied files by accessing them through in-scope symbolic link aliases that resolve to denied paths.
Published: 2026-09-14
Score: 7.6 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

Mon, 14 Sep 2026 13:00:00 +0000

Type Values Removed Values Added
Description File Browser through 2.63.23 applies path rules to the requested lexical path but resolves symbolic links without reapplying rules to the target, allowing authenticated users to bypass deny rules. Attackers can read and overwrite rule-denied files by accessing them through in-scope symbolic link aliases that resolve to denied paths.
Title File Browser through 2.63.23 Path Traversal via Symlink Alias
First Time appeared Filebrowser
Filebrowser filebrowser
Weaknesses CWE-59
CPEs cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:*
Vendors & Products Filebrowser
Filebrowser filebrowser
References
Metrics cvssV3_1

{'score': 6.8, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N'}

cvssV4_0

{'score': 7.6, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N'}

Subscriptions

Filebrowser Filebrowser
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-09-14T14:17:49.647Z

Reserved: 2026-09-14T11:33:51.886Z

Link: CVE-2026-90930

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-14T13:19:31.190

Modified: 2026-09-14T15:17:13.793

Link: CVE-2026-90930

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses