CVE-2026-103905 JTL-Shop - Broken Access Control

JTL-Shop administration backend contains a broken access control vulnerability caused by processing the plugin safe mode toggle before authentication, letting unauthenticated remote attackers toggle plugin safe mode causing denial of service, exploit requires no authentication.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
14 October 2026
Updated
15 October 2026
Weakness
CWE-306

Vendor fix

Update to the latest version with proper authentication checks before processing plugin safe mode toggle.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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