EUVD-2026-12554

| CVE-2026-4208 HIGH
2026-03-17 TYPO3 GHSA-29r8-gvx4-r9w3
7.7
CVSS 4.0
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CVSS Vector

CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None

Lifecycle Timeline

4
Patch Released
Mar 31, 2026 - 21:13 nvd
Patch available
Analysis Generated
Mar 17, 2026 - 11:57 vuln.today
EUVD ID Assigned
Mar 17, 2026 - 11:57 euvd
EUVD-2026-12554
CVE Published
Mar 17, 2026 - 08:34 nvd
HIGH 7.7

Tags

Authentication Bypass

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.

Analysis

CVE-2026-4208 is a security vulnerability (CVSS 7.7). High severity vulnerability requiring prompt remediation.

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Remediation

Within 24 hours: Disable the affected MFA extension across all systems and implement emergency alternative MFA (hardware tokens, SMS, or authenticator apps) until patch availability is confirmed. Within 7 days: Audit all authentication logs for suspicious empty-string MFA submissions and reset passwords for potentially compromised accounts; establish daily vendor communication cadence for patch status. …

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Priority Score

39
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +38
POC: 0

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EUVD-2026-12554 vulnerability details – vuln.today
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