CVE-2026-42221Published
Nginx UI is a web user interface for the Nginx web server. From version 2.0.0 to before version 2.3.8, an unauthenticated network attacker can claim the initial administrator account on a fresh nginx-ui instance during the first-run setup w…
Exact source revision recorded 27 Oct 2026 11:12:01 UTC. It does not establish the source's current position. Latest evidence.
Explicit identifiers and source references
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CVE-2026-42221 · Microsoft / collected KEV context
nvd · CVE-2026-42221
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