CVE-2026-39661Network attack vector

Authenticated file disclosure via local inclusion

Published May 26, 2026 · Updated May 26, 2026

Local file inclusion in YouTech Company SW Core 1.7.18 and earlier allows remote authenticated users to expose local file contents. Patchstack identifies a PHP include or require operation that accepts an inadequately restricted filename, but it does not disclose the affected file, function, or request parameter. Low privileges, network access, and additional attack conditions are required; impact depends on the selected local file and its output.

CVSS severity7.5
High
EPSS probability0.42%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Local file inclusion in YouTech Company SW Core 1.7.18 and earlier allows remote authenticated users to expose local file contents. Patchstack identifies a PHP include or require operation that accepts an inadequately restricted filename, but it does not disclose the affected file, function, or request parameter. Low privileges, network access, and additional attack conditions are required; impact depends on the selected local file and its output.

The record

CVE
CVE-2026-39661
Published
May 26, 2026
Updated
May 26, 2026
Vendor
YouTech Company
Product
SW Core
Classifications
CWE-98
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. May 26, 2026CVE publishedPublication date reported by the CVE source.
  2. May 26, 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 <=1.7.18

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

YouTech Company · SW Coreversion=n/a <=1.7.18

Published CVSS scores

7.5PatchstackCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-98Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion')

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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