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CVE-2026-54685

MEDIUM
5.3
CVSS 3.1
Description
FileBrowser Quantum is a free, self-hosted, web-based file manager. Prior to version 1.3.2-beta, the `/api/auth/login` authentication endpoint does not execute in constant time. When a non-existent username is supplied, the server returns a `401`/`403` response almost immediately. When a valid username is provided, the server performs a bcrypt password comparison, causing a measurable delay in the response time. Version 1.3.2-beta patches the issue.

Metadata

CVE ID
CVE-2026-54685
State
PUBLISHED
Assigner
GitHub_M
Reserved
2026-06-15 22:53 UTC
Published
2026-07-20 14:17 UTC
Last updated
2026-07-20 14:19 UTC
Primary CWE
CWE-208
CWE-208: Observable Timing Discrepancy
Vendor / Product
gtsteffaniak / filebrowser
Sources
cve.org  ·  NVD

Severity & Metrics

5.3 MEDIUM CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Affected products (1)
VendorProductPlatformVersions
gtsteffaniak filebrowser — < 1.3.2-beta
Weakness (CWE)
CWESourceDescription
CWE-208 cna CWE-208: Observable Timing Discrepancy
CVSS scores (1)
ScoreSeverityVersionSourceVector
5.3 MEDIUM 3.1 cna CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
References (3)
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