🚨 CVE-2026-85400
Backend administrators without system maintainer privileges were able to schedule any of the configuration:read, configuration:set, and configuration:show commands. This allowed them to modify arbitrary system configuration, which is normally limited to system maintainers. As a consequence, this allowed them, for example, to gain system maintainer privileges or cause a denial of service. Exploiting this vulnerability requires an administrator-level backend user account. This issue affects TYPO3 CMS versions 14.2.0-14.3.6.
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GitHub
[SECURITY] Disallow system configuration modification via scheduler · TYPO3/typo3@b8abe36
All three `configuration:*` CLI commands were not explicitly configured
as non-schedulable. This made them executable for normal admins (no
system maintainer privilege required) in the scheduler mo...
September 8, 2026 45
