CVE-2026-77128 - Vulnerability Details - OpenCVE

The extension fails to enforce enable-field restrictions on a repository query parameter. An unauthenticated remote user can pass a demand-override parameter to view hidden or time-restricted events, unless the disableOverrideDemand plugin setting is active. Exploitation of this issue requires only that disableOverrideDemand is not enabled.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements Present

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

No data.

No data.

No data.

References

Link	Providers
https://typo3.org/security/advisory/typo3-ext-sa-2026-023

History

Tue, 25 Aug 2026 14:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Tue, 25 Aug 2026 09:15:00 +0000

Type	Values Removed	Values Added
Description		The extension fails to enforce enable-field restrictions on a repository query parameter. An unauthenticated remote user can pass a demand-override parameter to view hidden or time-restricted events, unless the disableOverrideDemand plugin setting is active. Exploitation of this issue requires only that disableOverrideDemand is not enabled.
Title		Broken Access Control in extension "Event management and registration" (sf_event_mgt)
Weaknesses		CWE-862
References		https://typo3.org/security/advisory/typo3-ext-sa-2026-023
Metrics		cvssV4_0 `{'score': 6.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N'}`

MITRE

Status: PUBLISHED

Assigner: TYPO3

Published: 2026-08-25T09:00:44.929Z

Updated: 2026-08-25T14:06:14.408Z

Reserved: 2026-08-20T13:10:12.062Z

Link: CVE-2026-77128

Vulnrichment

Updated: 2026-08-25T14:06:09.588Z

NVD

Status : Deferred

Published: 2026-08-25T09:17:33.033

Modified: 2026-08-26T17:13:53.420

Link: CVE-2026-77128

Redhat

No data.

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