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  4. CVE 2026 117551 joomla extension jdownloadscom rce through file
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Back to active CVEs
Critical · CVSS 10.0CVE-2026-117551

Joomla Extension - jdownloads.com - RCE through file upload in jDownloads < 4.1.8CVE-2026-117551

Answer in brief

CVE-2026-117551 records a Critical severity (CVSS 10.0) vulnerability in Joomla Extension - jdownloads.com - RCE through file upload in jDownloads < 4.1.8. The current sources do not mark it as known exploited. The current feed maps jdownloads.com/jDownloads extension for Joomla (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Nov 12, 2026Updated Nov 12, 2026Source checked Nov 12, 2026First seen by HOL Nov 12, 2026Material review Nov 12, 2026
Upstream Advisory

Key facts

Risk
Critical · CVSS 10.0
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

CVSS is 10.0. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps jdownloads.com/jDownloads extension for Joomla (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
jdownloads.com/jDownloads extension for Joomlageneric1.0.0-4.1.7Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for jdownloads.com/jDownloads extension for Joomla.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Nov 12, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 12, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Nov 12, 2026

Sources and claim methodology

  • Source referencejdownloads.com
Upstream source description

Joomla Extension - jdownloads.com - RCE through file upload in jDownloads < 4.1.8 - Insufficient validation of frontend thumbnail uploads allowed users with upload permission to place executable files on the server. This results in PHP code execution.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Joomla Extension - jdownloads.com - SSRF via external download URL field jDownloads < 4.1.8Same jdownloads.com/jdownloads extension for joomla package
  • Joomla Extension - jdownloads.com - Publishing of files without approval in jDownloads < 4.1.8Same jdownloads.com/jdownloads extension for joomla package

Record context

Vulnerability class
Arbitrary File Read
EPSS
Not reported
CWE IDs
CWE-434
Source
CVE List V5
Source checked
Nov 12, 2026
References
1 linked source
Open source record