Is CVE-2022-40734 actively exploited?

Yes. KEV Intelligence tracks CVE-2022-40734 as a known exploited vulnerability. Confidence is high.

What exploitation activity has KEV Intelligence observed?

KEV Intelligence has not yet recorded sensor-observed exploitation attempts for CVE-2022-40734. Our sensors continue to monitor for activity targeting this CVE.

Which versions are affected?

Version-level data is not available; KEV Intelligence tracks UniSharp laravel-filemanager.

No. CVE-2022-40734 is not currently listed in CISA KEV.

Vulnerability report

Exploited in the wild High confidence Not in CISA KEV

CVE-2022-40734

laravel-filemanager Path Traversal

UniSharp / laravel-filemanager

View live feed Monitor via API Watch CVE

Severity: CVSS 6.5 · Medium
Confidence: High
Exploit status: Exploited in the wild
EPSS: 4.3%
First observed: —
Last observed: —

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2022-40734 is a vulnerability affecting UniSharp laravel-filemanager. UniSharp laravel-filemanager (aka Laravel Filemanager) before 2.6.4 allows download?working_dir=%2F.. directory traversal to read arbitrary...

Is it exploited?

Yes. KEV Intelligence tracks this CVE as a known exploited vulnerability. Confidence is high.

Who is affected?

UniSharp / laravel-filemanager.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

UniSharp laravel-filemanager (aka Laravel Filemanager) before 2.6.4 allows download?working_dir=%2F.

UniSharp laravel-filemanager (aka Laravel Filemanager) before 2.6.4 allows download?working_dir=%2F.. directory traversal to read arbitrary files, as exploited in the wild in June 2022.

This is related to league/flysystem before 2.0.0.

Published: 14 Sep 2022
Exploitation Reported: 14 Sep 2022
Attack vector: Remote
Complexity: Low
Privileges: Low
User interaction: None

CVE References

CVE Record CVE.org · CVE Record https://www.cve.org/CVERecord?id=CVE-2022-40734
GitHub — UniSharp/laravel-filemanager github.com · CVE Record https://github.com/UniSharp/laravel-filemanager/issues/1150
GitHub — UniSharp/laravel-filemanager github.com · CVE Record https://github.com/UniSharp/laravel-filemanager/issues/1150#issuecomm...
GitHub — UniSharp/laravel-filemanager github.com · CVE Record https://github.com/UniSharp/laravel-filemanager/issues/1150#issuecomm...

Exploitation evidence

Why KEV Intelligence marks this CVE as exploited

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploited in the wild

CVE

Recorded 14 Sep 2022

Independent exploitation attestation added to the KEV Intelligence record.

Proof of concept available

Nuclei Templates

Recorded 12 Jun 2026

Public scanner or PoC coverage increases practical exploitability.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the KEV Intelligence Pro API.

Learn about Pro API access

Source	Added
CVE First	2022-09-14 00:00 UTC

Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Observed signals

Request targets: 0
User-Agents: 0

Raw values available in Pro and Enterprise.

Scanner coverage

Nuclei template detected 25 Apr 2025.

View Nuclei template

Virtual patch status

No KEV Intelligence virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

Learn about virtual patches →

Scanner Artifacts

Scanner and exploit-framework references linked to this CVE.

Scanner	Reference	Detected
Nuclei	https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2022/CVE-2022-40734.yaml	25 Apr 2025

Risk and context

Severity, weaknesses, and research context

CVSS v3.1

6.5 Medium

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

EPSS

4.3%

Weaknesses

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') CWE-22

Potential Proof of Concepts

These PoCs are unverified and could contain malware. Use at your own risk.

Laravel Filemanager v2.5.1 - Local File Inclusion

nuclei · Created Unknown

Timeline

From disclosure to observed exploitation

12 Jun 2026
Public PoC available

Public proof-of-concept code published
25 Apr 2025
Nuclei template available

Scanner coverage available
14 Sep 2022
Added to KEV Intelligence KEV Feed

High-confidence, third-party attested exploitation
14 Sep 2022
CVE published

Vulnerability disclosed publicly
14 Sep 2022
CVE ID reserved

Identifier reserved by the CNA

Pro API

Automate this intelligence

Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

View Pro pricing Read API docs

Evidence confidence and provenance
First-party sensor telemetry
PoC and scanner references
Affected versions and enrichment
Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2022-40734

Free JSON includes basic KEV fields

{
  "cve_id": "CVE-2022-40734",
  "confidence": "High",
  "cvss_score": 6.5,
  "cvss_estimated": false,
  "epss_score": 0.04298,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}

Early warning alerts

Get alerts on high-impact exploitation

Receive curator-selected alerts when exploitation activity warrants attention. Each alert includes the evidence and context needed to decide what requires attention now.