CVE-2026-4202 PUBLISHED

Broken Access Control in extension "Redirect Tab"

Assigner: TYPO3
Reserved: 15.03.2026 Published: 17.03.2026 Updated: 17.03.2026

The extension fails to verify, if an authenticated user has permissions to access to redirects resulting in exposure of redirect records when editing a page.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
CVSS Score: 2.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	Low	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	Present	Availability	None	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

Product Status

Vendor	TYPO3
Product	Extension "Redirect Tabs"
Versions	Default: unaffected affected from 4.0.0 to 4.0.5 (excl.) affected from 3.0.0 to 3.1.7 (excl.) affected from 0 to 2.1.2 (excl.)

Credits

Guido Schmechel reporter
Guido Schmechel remediation developer

References

https://typo3.org/security/advisory/typo3-ext-sa-2026-006

Problem Types

CWE-862 CWE
CWE-200 CWE

Impacts

CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs