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CVE-2026-4208

8.8 · HIGH

The extension fails to properly reset the generated MFA code after successful authentication.

Published Mar 17, 2026CWE-639EPSS 0.47%

Overview

CVE-2026-4208 is a high-severity vulnerability. It was published on March 17, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

The extension fails to properly reset the generated MFA code after successful authentication. This leads to a possible MFA bypass for future login attempts by providing an empty string as MFA code to the extensions MFA provider.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Reftypo3.org/security/advisory/typo3-ext-sa-2026-007

How CyberStrike helps

Frequently asked questions

What is CVE-2026-4208?

CVE-2026-4208 is a high-severity vulnerability. It was published on March 17, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2026-4208?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-4208?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-4208?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-4208 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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