CVE-2026-4208

highpriority · track · 35EPSS 0.003 · 19 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.27% (19th) EPSS

CVSS 8.8 · high

Is it mine?

7 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.2–8.8

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · OSV

v4.07.7highCVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:Nsecondary · ENISA EU

v4.07.7highCVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary

v4.05.2mediumCVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-639USCWE-639US

affected products (7)

Products and version ranges known to be affected.

TYPO3 Extension E-Mail MFA Providerall versionscert_bundDEcpe:/a:typo3:typo3_extension:e-mail_mfa_provider
TYPO3 Extension "E-Mail MFA Provider"≤ 0 ≤1.0.5enisa_euvdEU
TYPO3 Extension "E-Mail MFA Provider"≤ 2.0.0enisa_euvdEU
mrsilaz mfa mail< 1.0.7nvdUScpe:2.3:a:mrsilaz:mfa_mail:*:*:*:*:*:*:*:*
mrsilaz mfa mail= 2.0.0nvdUScpe:2.3:a:mrsilaz:mfa_mail:*:*:*:*:*:*:*:*
Packagist ralffreit/mfa-email< 1.0.7osvUSpkg:composer/ralffreit/mfa-email
Packagist ralffreit/mfa-email2.0.0 → 2.0.1osvUSpkg:composer/ralffreit/mfa-email

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-0753TYPO3 Extensions: Mehrere SchwachstellenDeutsch2026-03-16csaf · cert_bundDE
Ein lokaler, oder ein enfernter authentisierter Angreifer kann mehrere Schwachstellen in TYPO3 Extensions ausnutzen, um beliebigen Programmcode auszuführen, vertrauliche Informationen offenzulegen oder Sicherheitsmaßnahmen zu umgehen.
GHSA-29r8-gvx4-r9w3Authentication Bypass in extension "E-Mail MFA Provider" (mfa_email)2026-03-17ghsa · osvUS
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.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd osv NVD CVE.org MITRE

published 2026-03-17modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

scry

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