CVE-2026-39598Network attack vector

Authenticated code execution via unrestricted file upload

Published Jun 16, 2026 · Updated Jun 16, 2026

Unrestricted file upload in Kodezen LLC Academy LMS Pro before 3.5.2 allows remote authenticated users to place executable web shells. Patchstack identifies the dangerous upload outcome but does not publish the affected handler or the validation operation that accepts the file. Exploitation requires a custom privileged WordPress role and can execute attacker-controlled PHP in the web server context.

CVSS severity8.0
High
EPSS probability0.22%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Unrestricted file upload in Kodezen LLC Academy LMS Pro before 3.5.2 allows remote authenticated users to place executable web shells. Patchstack identifies the dangerous upload outcome but does not publish the affected handler or the validation operation that accepts the file. Exploitation requires a custom privileged WordPress role and can execute attacker-controlled PHP in the web server context.

The record

CVE
CVE-2026-39598
Published
Jun 16, 2026
Updated
Jun 16, 2026
Vendor
Kodezen LLC
Product
Academy LMS Pro
Classifications
CWE-434, CAPEC-650, T1505.003
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jun 16, 2026CVE publishedPublication date reported by the CVE source.
  2. Jun 16, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=n/a <3.5.2 changes=[{"at":"3.5.2","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Kodezen LLC · Academy LMS Proversion=n/a <3.5.2 changes=[{"at":"3.5.2","status":"unaffected"}]

Published CVSS scores

8.0PatchstackCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-434Unrestricted Upload of File with Dangerous Type
CAPEC-650Upload a Web Shell to a Web Server
T1505.003Server Software Component: Web Shell

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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