CVE-2026-39611
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedImproper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in kutethemes KuteShop kuteshop allows PHP Local File Inclusion.This issue affects KuteShop: from n/a through <= 4.2.9.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · moderate confidenceKuteShop theme <= 4.2.9 contains a PHP Local File Inclusion (LFI) vulnerability where user-supplied input is improperly validated before being used in include/require statements. An attacker can manipulate file path parameters to include arbitrary local PHP files, potentially achieving remote code execution if they can upload files or access sensitive system files.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- High
- Privileges
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Identify installed KuteShop versionSearch for version information in common locations such as a version.php file, composer.json, or a config file within the KuteShop installation directory. Look for a version constant or variable.Affected if The installed version is 4.2.9 or any version lower than 4.2.9
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Locate PHP files using dynamic file inclusionSearch the KuteShop source code for PHP files containing include, require, include_once, or require_once statements where a variable is used in the file path, such as include($file) or require($_GET['page']).Affected if Dynamic file inclusion with variables is present in the codebase
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Identify user-controlled file path parametersExamine the identified inclusion statements to determine which parameters accept user input, such as query parameters, form inputs, or cookies. Check if these parameters flow directly into include/require calls.Affected if User-supplied input (GET, POST, or cookie values) is used directly in include or require statements without sanitization
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Inspect input validation logicReview the code surrounding the file inclusion to determine if validation functions like basename(), realpath(), or whitelist checks are applied to the user-provided file path before inclusion.Affected if No input validation is performed on the file path parameter before it is used in include/require, or validation can be bypassed
If KuteShop version 4.2.9 or lower is installed AND the application uses user input in include/require statements without proper validation, the environment is affected by this LFI vulnerability.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataUpdate KuteShop to the latest version if available, or implement strict input validation with whitelist-based allowlisting for included files. Disable allow_url_fopen and ensure proper path sanitization to prevent directory traversal.
- Consultation3.0 h
- Implementation4.0 h
- Testing3.0 h
- Review / QA2.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2026-39611 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2026-39611 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
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