TYPO3 CMS - Missing Authorization in lowlevel commands

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-85400
StatePUBLISHED
AssignerTYPO3
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-08 10:17:14 UTC
Updated2026-09-08 19:15:18 UTC
DescriptionBackend 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.

Risk And Classification

Primary CVSS: v4.0 7.5 HIGH from f4fb688c-4412-4426-b4b8-421ecf27b14a

CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS: 0.004380000 probability, percentile 0.368010000 (date 2026-09-08)

Problem Types: CWE-266 | CWE-862 | CWE-862 CWE-862 Missing Authorization | CWE-266 CWE-266 Incorrect privilege assignment

VersionSourceTypeScoreSeverityVector
4.0f4fb688c-4412-4426-b4b8-421ecf27b14aSecondary7.5HIGHCVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/C...
4.0CNACVSS7.5HIGHCVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
Present
Privileges Required
High
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA TYPO3 TYPO3 CMS affected 14.2.0 14.3.7 semver Not specified

References

ReferenceSourceLinkTags
news.typo3.com/security/advisory/typo3-core-sa-2026-023 f4fb688c-4412-4426-b4b8-421ecf27b14a news.typo3.com
github.com/TYPO3/typo3/commit/b8abe36978c63a0625aee70df078895216e7ee27 f4fb688c-4412-4426-b4b8-421ecf27b14a github.com
github.com/TYPO3/typo3/commit/e15da7ba0218532240578b471152f76c13cb4154 f4fb688c-4412-4426-b4b8-421ecf27b14a github.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Tharsanan Kurukulasingam (en)

CNA: Elias Häußler (en)

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