Is there a public exploit for CVE-2026-117543?

No public exploit for CVE-2026-117543 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-117543?

CVE-2026-117543 scores CVSS 8.9 (v4.0), rated high.

What does CVE-2026-117543 affect?

CVE-2026-117543 affects jdownloads.com jDownloads extension for Joomla.

8.9 High

Joomla Extension - jdownloads.com - SSRF via external download URL field jDownloads < 4.1.8 - HTTP redirects when retrieving external…

CVE-2026-117543

Joomla Extension - jdownloads.com - SSRF via external download URL field jDownloads < 4.1.8 - HTTP redirects when retrieving external download URLs could bypass validation of the original destination. This allowed server-side requests to internal or otherwise prohibited destinations and disclosure of their responses (SSRF).

Assessment

CVSS: 8.9 (v4.0)
Severity: High
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 12 November 2026
Last updated: 13 November 2026
Affected: jdownloads.com · jDownloads extension for Joomla
Assigner: Joomla

CVSS vectorCVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

At the source

EUVD (ENISA)

References

https://www.jdownloads.com/

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