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nginx ignition has TOTP Reuse During Validity Window

CVSS 3.1 4.2 MEDIUMCheck source for fixed versionsKEV status unknown

Historical advisory recorded 23 Oct 2026 15:48:27 UTC. Read the latest advisory.

cve-program · CVE-2026-61630

Published

nginx ignition is a user interface for the nginx web server. In versions 2.33.0 through 2.35.0, any user that has enabled the OTP 2FA can have their TOTP reused during the standard 30 second validity window. Version 2.35.1 patches the issue.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-61630

Published

nginx-ignition

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "lucasdillmann",
                    "product": "nginx-ignition",
                    "versions": [
                        {
                            "version": ">= 2.33.0, < 2.35.1",
                            "status": "affected"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

ChangeIntel

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Sources read 12 Nov 17:32 UTC · 274 of 275 readable · 272 fully read · documentation 469/469 current