User Interface Vulnerability in Nginx Ignition by Lucas Dillmann
CVE-2026-61630

4.2MEDIUM

Key Information:

Vendor

Lucasdillmann

Status
Nginx-ignition
Vendor
CVE Published:
21 September 2026

What is CVE-2026-61630?

A vulnerability exists in the nginx ignition user interface that allows users with OTP 2FA enabled to reuse their TOTP within a 30-second validity window. This issue affects versions 2.33.0 to 2.35.0 and has been addressed in version 2.35.1, which patches this authentication vulnerability to enhance security.

Affected Version(s)

nginx-ignition >= 2.33.0, < 2.35.1

References

https://github.com/lucasdillmann/nginx-ignition/security/...
x_refsource_CONFIRM
https://github.com/lucasdillmann/nginx-ignition/commit/1c...
x_refsource_MISC
https://github.com/lucasdillmann/nginx-ignition/commit/8d...
x_refsource_MISC

CVSS V3.1

Score:
4.2
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
High
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.