CVE-2026-61628

abraxaslabs.tech · github.com/abraxas · @abraxasnull · [email protected] · CVE-2026-61628 CVE-2026-61628 nginx-ignition 2.41.0 - lucasdillmann I am @abraxasnull. Loopback lab. The client is CVE-2026-61628-Abraxas-Labs.py. Onboarding is anonymous. First-boot POST /api/users/onboarding/finish...

Linux Distros Unpatched Vulnerability : CVE-2026-61628

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - nginx ignition is a user interface for the nginx web server. Prior to version 2.41.1, POST /api/users/onboarding/finish is registered as anonymous unauthenticat...

Exploit for CVE-2026-61628

abraxaslabs.tech · github.com/abraxas ·&...

nginx ignition has Unauthenticated Admin Account Creation via Onboarding Race Condition

Summary POST /api/users/onboarding/finish is registered as anonymous unauthenticated and creates a user with full ReadWrite admin permissions. Because the handler uses a check-then-act TOCTOU pattern between the "onboarding already completed?" check and the user-creation write, with no atomic...

GHSA-PXCX-FV34-X9P5 nginx ignition has Unauthenticated Admin Account Creation via Onboarding Race Condition

Summary POST /api/users/onboarding/finish is registered as anonymous unauthenticated and creates a user with full ReadWrite admin permissions. Because the handler uses a check-then-act TOCTOU pattern between the "onboarding already completed?" check and the user-creation write, with no atomic...

CVE-2026-61628

nginx ignition is a user interface for the nginx web server. Prior to version 2.41.1, POST /api/users/onboarding/finish is registered as anonymous unauthenticated and creates a user with full ReadWrite admin permissions. Because the handler uses a check-then-act TOCTOU pattern between the...

CVE-2026-61628 nginx ignition has Unauthenticated Admin Account Creation via Onboarding Race Condition

nginx ignition is a user interface for the nginx web server. Prior to version 2.41.1, POST /api/users/onboarding/finish is registered as anonymous unauthenticated and creates a user with full ReadWrite admin permissions. Because the handler uses a check-then-act TOCTOU pattern between the...

CVE-2026-61628 nginx ignition has Unauthenticated Admin Account Creation via Onboarding Race Condition

nginx ignition is a user interface for the nginx web server. Prior to version 2.41.1, POST /api/users/onboarding/finish is registered as anonymous unauthenticated and creates a user with full ReadWrite admin permissions. Because the handler uses a check-then-act TOCTOU pattern between the...

PT-2026-96639

Summary POST /api/users/onboarding/finish is registered as anonymous unauthenticated and creates a user with full ReadWrite admin permissions. Because the handler uses a check-then-act TOCTOU pattern between the "onboarding already completed?" check and the user-creation write, with no atomic...

CVE-2026-61628: Concurrent Execution using Shared Resource with Improper Synchronization

nginx ignition is a user interface for the nginx web server. Prior to version 2.41.1, POST /api/users/onboarding/finish is registered as anonymous unauthenticated and creates a user with full ReadWrite admin permissions. Because the handler uses a check-then-act TOCTOU pattern between the...

PT-2026-96118

Name of the Vulnerable Software and Affected Versions nginx ignition versions prior to 2.41.1 Description An issue exists where the POST /api/users/onboarding/finish endpoint is accessible to unauthenticated users and allows the creation of an account with full ReadWrite admin permissions. The...