Authorization Bypass (IDOR)Weakness · CWE-639

CVE-2026-51924

HIGH · 8.1 CVSS v3.1 Published 2026-07-09
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
87/100
Remediation priority · High
Remotely reachable Zero-click 6 weeks old

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 · unedited
An issue in docuForm GmbH Client v.11.11c allows a remote attacker to execute arbitrary code via the file upload and report.php component

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 confidence

The docuForm GmbH Client v.11.11c contains a file upload vulnerability in the report.php component that allows remote attackers to upload malicious files and execute arbitrary code on the underlying system.

MitigationImplement strict file type validation using magic bytes rather than extensions, store uploaded files outside the web root with random names, disable script execution in upload directories, and apply principle of least privilege to the web server process.

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
Low
Privileges
Low
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

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

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 checks

Work through these to decide whether this CVE applies to you.

  1. Identify installed docuForm version
    Locate the docuForm installation directory and check version files, typically found in the application root or an 'about' page. Compare the version string to 11.11c.
    Affected if The installed version matches exactly 11.11c or falls within the affected version range.
  2. Locate report.php component
    Search the web server document root for the file 'report.php' using file system search or by checking common paths like /report.php, /components/report.php, or /modules/report.php.
    Affected if The report.php file exists in the web-accessible directory structure.
  3. Verify upload functionality exposure
    Attempt to access the report.php page via HTTP/HTTPS without credentials, or check the web server access logs for requests to report.php that include multipart form data or file upload parameters.
    Affected if The report.php upload endpoint is reachable without authentication.
  4. Check upload directory web accessibility
    Examine the web server configuration and the report.php source code to determine where uploaded files are stored. Verify that this directory is within the web root and serves files with their original extensions.
    Affected if Uploaded files are stored in a web-accessible directory and served with executable extensions (e.g., .php, .phtml).
  5. Confirm script execution is enabled in upload path
    Review the web server configuration (Apache .htaccess, nginx config, or IIS handler mappings) for the upload directory. Check if script execution restrictions are in place.
    Affected if The upload directory allows execution of server-side scripts (PHP, etc.) or has no restrictions blocking script execution.

A user is affected if they run docuForm GmbH Client v.11.11c with the report.php component exposed and the upload directory configured to allow script execution.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

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 data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Implement strict file type validation using magic bytes rather than extensions, store uploaded files outside the web root with random names, disable script execution in upload directories, and apply principle of least privilege to the web server process.

Have this fixed Scoped from the published advisory
  • Consultation4.0 h
  • Implementation8.0 h
  • Testing6.0 h
  • Review / QA4.0 h
22.0 hours of engineering $3,860
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Scan for this in your stack

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2026-51924 — 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 sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2026-51924 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data