What’s Vulnerable › Vulnerabilities

CVE-2019-16766: 2FA bypass in Wagtail through new device path

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-11-29 · updated 2026-06-17
• Weakness: CWE-290

Description

When using wagtail-2fa before 1.3.0, if someone gains access to someone's Wagtail login credentials, they can log into the CMS and bypass the 2FA check by changing the URL. They can then add a new device and gain full access to the CMS. This problem has been patched in version 1.3.0.

Affected products

• Lab Digital wagtail-2fa: before 1.3.0 — fixed in 1.3.0

How to fix

Upgrade to a fixed version: Lab Digital wagtail-2fa 1.3.0. Check the vendor advisory for mitigations.

References

• https://github.com/LabD/wagtail-2fa/security/advisories/GHSA-89px-ww3j-g2mm
• https://github.com/labd/wagtail-2fa/commit/13b12995d35b566df08a17257a23863ab6efb0ca
• https://github.com/labd/wagtail-2fa/commit/a6711b29711729005770ff481b22675b35ff5c81
• https://github.com/LabD/wagtail-2fa/security/advisories/GHSA-89px-ww3j-g2mm
• https://github.com/labd/wagtail-2fa/commit/13b12995d35b566df08a17257a23863ab6efb0ca
• https://github.com/labd/wagtail-2fa/commit/a6711b29711729005770ff481b22675b35ff5c81

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