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Filebrowser EUVDEUVD-2025-23536

| CVE-2025-52997 MEDIUM
Improper Restriction of Excessive Authentication Attempts (CWE-307)
2025-06-30 security-advisories@github.com GHSA-cm2r-rg7r-p7gg
5.9
CVSS 3.1 · GitHub Advisory
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Brute-force prevention, rate limiting
Impact

CVSS score of 5.9 (MEDIUM).

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 0.1% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 16, 2026

File Browser provides a file managing interface within a specified directory and it can be used to upload, delete, preview, rename and edit files. Prior to version 2.34.1, a missing password policy and brute-force protection makes the authentication process insecure. Attackers could mount a brute-force attack to retrieve the passwords of all accounts in a given instance. This issue has been patched in version 2.34.1.

Earlier versions of this analysis (1)
v1 Mar 16, 2026 - 01:25 CVSS 5.9

RemediationAI

A vendor patch is available. Apply it as soon as possible and verify the fix.

Affected VersionsENISA

filebrowser < 2.34.1

Affected Packages

go github.com/filebrowser/filebrowser no fix
go github.com/filebrowser/filebrowser/v2 fix: 2.34.1
euvd filebrowser fix: 2.34.1

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 3 packages in go, euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Improper Restriction of Excessive Authentication Attempts (CWE-307).

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

GitHub Advisory PRIMARY 5.9 MEDIUM
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
SUSE MEDIUM

Primary rating from GitHub Advisory.

CVSS VectorGitHub Advisory

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

3
Patch released
Mar 16, 2026 - 01:25 nvd
Patch available
PoC Detected
Aug 04, 2025 - 18:15 vuln.today
Public exploit code
CVE Published
Jun 30, 2025 - 20:15 nvd
MEDIUM 5.9

Executive ViewAI

Why It Matters

CVE-2025-52997 presents moderate security risk rated CVSS 5.9. Exploitation could compromise the security of affected deployments. Proof-of-concept code is publicly available. A patch is available and should be applied during regular vulnerability management.

Business Impact: Low
Compensating Controls

Apply vendor patch. If patching is delayed: restrict network access and enable monitoring.

Threat Intelligence Overview

EPSS Score
0.1%
Top 82% exploitable
Exploit
POC
Public exploit code exists
Data Quality
5 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC Yes
EPSS 0.1%
Patch available Yes
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
Poc
System Exposure· derived
Open
Automatable· derived
No
Human Impact
Low

Priority Score

50
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +30
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

CVE-2026-29188 CRITICAL POC
9.1 Mar 05

Unauthorized file operations in File Browser before fix. PoC and patch available.

CVE-2023-39612 CRITICAL POC
9.0 Sep 16

A cross-site scripting (XSS) vulnerability in FileBrowser before v2.23.0 allows an authenticated attacker to escalate pr

CVE-2026-116682 HIGH POC
8.6 Oct 27

Symlink-following read paths in FileBrowser Quantum serve files from outside a user's assigned scope: download, preview,

CVE-2026-73612 HIGH POC
8.6 Aug 13

Recursive operation authorization bypass in File Browser before v2.63.22 permits any authenticated user to copy, rename,

CVE-2026-25890 HIGH POC
8.1 Feb 09

Path normalization bypass in Filebrowser prior to 2.57.1 allows authenticated users to circumvent file access restrictio

CVE-2025-52903 HIGH POC
8.0 Jun 26

File Browser provides a file managing interface within a specified directory and it can be used to upload, delete, previ

CVE-2025-52904 HIGH POC
8.0 Jun 26

File Browser provides a file managing interface within a specified directory and it can be used to upload, delete, previ

CVE-2025-52995 HIGH POC
8.0 Jun 30

File Browser provides a file managing interface within a specified directory and it can be used to upload, delete, previ

CVE-2026-54910 HIGH POC
7.7 Jul 20

Arbitrary file read in FileBrowser Quantum (gtsteffaniak/filebrowser) before 1.4.3-beta lets any authenticated user, reg

CVE-2026-73611 HIGH POC
7.6 Aug 13

File Browser versions 2.50.0 through 2.63.21 permit indefinite session persistence via expired JWT tokens when proxy aut

CVE-2025-52902 HIGH POC
7.6 Jun 26

File Browser provides a file managing interface within a specified directory and it can be used to upload, delete, previ

CVE-2026-73613 HIGH POC
7.2 Aug 13

Arbitrary file deletion in filebrowser before 2.63.19 allows authenticated users holding only Create permission to delet

Vendor StatusVendor

SUSE

Severity: Medium
Product Status
SUSE Linux Enterprise Server 16.0 Fixed
openSUSE Tumbleweed Fixed

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