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.
{
"cwe_ids": [
"CWE-639"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/4xxx/CVE-2026-4208.json",
"cna_assigner": "TYPO3"
}{
"cpe": [
"cpe:2.3:a:mrsilaz:mfa_mail:*:*:*:*:*:typo3:*:*",
"cpe:2.3:a:mrsilaz:mfa_mail:2.0.0:*:*:*:*:typo3:*:*"
],
"source": [
"CPE_RANGE",
"CPE_STRING"
],
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "1.0.7"
},
{
"introduced": "2.0.0"
},
{
"last_affected": "2.0.0"
}
]
}