CVE-2026-77133 - Vulnerability Details - OpenCVE

The extension fails to restrict which frontend usergroups a logged-in user may assign to their own account when the profile edit plugin uses its default field configuration, allowing self-service privilege escalation into arbitrary frontend groups.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements Present

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact Low

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.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

TYPO3

Extension "femanager"

unaffected

Version	Status	Constraints
`13.0.0`	affected	< 13.3.5
`8.0.0`	affected	< 8.4.2
`7.0.0`	affected	< 7.5.5
`0`	affected	< 6.4.5

No data.

No data.

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Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://typo3.org/security/advisory/typo3-ext-sa-2026-024

History

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

Type	Values Removed	Values Added
Description		The extension fails to restrict which frontend usergroups a logged-in user may assign to their own account when the profile edit plugin uses its default field configuration, allowing self-service privilege escalation into arbitrary frontend groups.
Title		Broken Access Control in extension "femanager" (femanager)
Weaknesses		CWE-862
References		https://typo3.org/security/advisory/typo3-ext-sa-2026-024
Metrics		cvssV4_0 `{'score': 6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: TYPO3

Published: 2026-08-25T09:00:41.795Z

Updated: 2026-08-25T09:00:41.795Z

Reserved: 2026-08-20T13:10:12.063Z

Link: CVE-2026-77133

Vulnrichment

No data.

NVD

Status : Received

Published: 2026-08-25T09:17:33.697

Modified: 2026-08-25T09:17:33.697

Link: CVE-2026-77133

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-862

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