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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.

PUBLISHED Reserved 2026-03-15 | Published 2026-03-17 | Updated 2026-03-24 | Assigner TYPO3




HIGH: 7.7CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Problem types

CWE-639

Product status

Default status
unaffected

Any version
affected

2.0.0 (semver)
affected

Credits

Jan Holtkötter reporter

References

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

cve.org (CVE-2026-4208)

nvd.nist.gov (CVE-2026-4208)

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