How severe is CVE-2022-40734?

CVE-2022-40734 has a CVSS score of 6.5/10, rated MEDIUM. Review your exposure and patch according to your risk tolerance.

Which packages are affected by CVE-2022-40734?

CVE-2022-40734 affects the following packages: unisharp/laravel-filemanager (Packagist). Ecosystems affected: Packagist.

How do I fix CVE-2022-40734?

Update unisharp/laravel-filemanager to 2.6.4 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2022-40734 is resolved across your whole dependency graph.

How do I detect CVE-2022-40734 in my Packagist dependencies?

Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for unisharp/laravel-filemanager, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

How do I mitigate CVE-2022-40734 if there is no patch (or I can't update yet)?

Resolve every user-supplied path to its canonical form and reject anything that escapes the intended directory, and run the component under an account that has no read or write access outside the directory it legitimately serves.

Is CVE-2022-40734 actively exploited in the wild?

Yes. There are 2 known exploit references for CVE-2022-40734, including 2 in-the-wild exploitations observed on GitHub and other sources. Treat this as actively exploitable and prioritize patching immediately. All exploit code should only be run in an isolated sandbox environment for research or authorized testing — never against production systems without explicit written authorization.

What is the EPSS score for CVE-2022-40734?

CVE-2022-40734 has an EPSS (Exploit Prediction Scoring System) score of 5.2%, placing it in the 92th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. This score indicates relatively lower exploitation probability, though the CVSS severity should still guide your patching priority.

What type of vulnerability is CVE-2022-40734?

CVE-2022-40734 is classified as Path Traversal (CWE-22). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation. This is a high-impact weakness class that often enables remote code execution or data exposure.

Is there exploit tooling available for CVE-2022-40734?

A Nuclei detection template exists for CVE-2022-40734, meaning automated scanners can fingerprint it. Public exploit tooling significantly increases real-world risk — prioritize patching and ensure detection coverage. Exploit tooling should only ever be used in isolated, authorized testing environments.

When was CVE-2022-40734 published, and has it been updated?

CVE-2022-40734 was published on September 14, 2022 and was last updated on October 28, 2026. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

🐘

🐘 Packagist

Not in CISA KEV

MEDIUM severity

CVE-2022-40734 — laravel-filemanager

MEDIUMFix: UniSharp/laravel-filemanager@8a357d0

CVE-2022-40734 is a medium-severity (CVSS 6.5) Path Traversal vulnerability in unisharp/laravel-filemanager. 2 public exploit or proof-of-concept references are indexed, so weaponization risk is real. A fix is available for unisharp/laravel-filemanager — see the affected versions and patch details below.

UniSharp Laravel Filemanager directory traversal vulnerability

Also known asGHSA-5m2h-7rf2-rpx6

Published

Sep 14, 2022

Updated

Oct 28, 2026

Affected

1 pkg

Patched

1 / 1

Exploits

2 known

Exploitation data as of Oct 30, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗

5.2%probability of exploitation in next 30 days

Lower Risk0.00%

Lower risk than most CVEs92th percentile — riskier than 92% of all scored CVEsHighest risk

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected

🐘unisharp/laravel-filemanager

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Packagist packages — download data is not available via public APIs for these ecosystems.

Description

UniSharp laravel-filemanager (aka Laravel Filemanager) with league/flysystem version < 2.0.0 allows download?working_dir=%2F.. directory traversal to read arbitrary files, as exploited in the wild in June 2022.

Since v2.6.4, UniSharp laravel-filemanager (aka Laravel Filemanager) requires users to install league/flysystem version >= 2.0.0.

Affected Packages

1 total 1 fixed

Ecosystem	Package	Vulnerable range	Fix
🐘Packagist	`unisharp/laravel-filemanager`	all versions	2.6.4`composer require unisharp/laravel-filemanager:^2.6.4`

Affected Products

1 product · 1 configurations

Application

laravel filemanagerunisharp

≤ 2.5.1

range

Exploits & PoCs

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

UniSharp laravel-filemanager (aka Laravel Filemanager) before 2.6.4 allo…

nvd.nist.govNVDSep 2022

Report on github.com

github.comNVDSep 2022

Detection & mitigation playbook

Open-source dependency

Detect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for unisharp/laravel-filemanager, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update unisharp/laravel-filemanager to 2.6.4 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2022-40734 is resolved across your whole dependency graph.
Workarounds
Resolve every user-supplied path to its canonical form and reject anything that escapes the intended directory, and run the component under an account that has no read or write access outside the directory it legitimately serves.

How to detect CVE-2022-40734

A community-maintained Nuclei template exists for this CVE. You can scan for it directly:

nuclei -id cve-2022-40734 -u https://target

Template: Laravel Filemanager v2.5.1 - Local File Inclusion
Severity: medium
Impact: Successful exploitation of this vulnerability can lead to unauthorized access, sensitive data exposure, and remote code execution.
Remediation: Upgrade to a patched version of Laravel Filemanager v2.5.1 or apply the recommended security patches provided by the vendor.

Template by ProjectDiscovery nuclei-templates (arafatansari), MIT licensed. View the full template. Scan only systems you are authorised to test.

Frequently Asked Questions

UniSharp laravel-filemanager (aka Laravel Filemanager) with `league/flysystem` version `< 2.0.0` allows download?working_dir=%2F.. directory traversal to read arbitrary files, as exploited in the wild in June 2022. Since `v2.6.4`, UniSharp laravel-filemanager (aka Laravel Filemanager) requires users to install `league/flysystem` version `>= 2.0.0`.

O3 Security · Impact-Aware SCA

Is CVE-2022-40734 in your dependencies?

Find it across Packagist, including transitive dependencies.

Scan my dependencies How O3 SCA works

CVSS Score

6.5/10CVSS v3 base

Vector breakdown

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Raw vector

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

CWE Classification

Weaponization

Timeline

Disclosed

Sep 14, 2022

First exploit

Sep 14, 2022

1 day after disclosure — rapid exploitation

Last updated

Oct 28, 2026

Identifiers

CVE-2022-40734

GHSA-5m2h-7rf2-rpx6

References

Advisorygithub.com · CVE 2022 40734.json Advisorynvd.nist.gov · CVE 2022 40734 Reportgithub.com Reportgithub.com Reportgithub.com Webgithub.com · 8a357d02e8f54ddf130961c64ff2cfc1882bbfcf Packagegithub.com · laravel filemanager

Related vulnerabilities

Also affects unisharp/laravel-filemanager

This CVE is medium severity; 2 of 2 other CVEs affecting unisharp/laravel-filemanager are rated as high or higher (top: high).

CVE-2024-21546CVE-2021-23814

Same weakness: CWE-22

This CVE is medium severity; 6 of 6 other CVEs with CWE-22 are rated as high or higher (top: critical).

CVE-2026-62331GHSA-4xm8-rg9h-jhq2CVE-2026-9083CVE-2026-115908CVE-2026-118667CVE-2026-118654Browse all CWE-22

Provenance

Sources

OSV.devNVDFIRST.org (EPSS)

Last verifiedOct 28, 2026

CVE-2022-40734 — laravel-filemanager

EPSS Exploitation Probability

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

Description

Affected Packages

Affected Products

Detection & mitigation playbook

Detect

Fix

Workarounds

How to detect CVE-2022-40734

Frequently Asked Questions

Is CVE-2022-40734 in your dependencies?