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CVE-2026-58399Published

@acastellon/auth is an authentication control system for microservices. Versions prior to 2.3.0 appear to allow an unauthenticated authentication bypass in validateToken() through spoofable auth-user and Host request headers. The validateTo…

Exact source revision recorded 27 Oct 2026 15:15:28 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

Explicit identifiers and source references

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2026-58399 · Microsoft / collected KEV context

nvd · CVE-2026-58399

Current operational correlations are not mixed into this historical source record. Open latest evidence to discover current connections.

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An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 8 Nov 00:03 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current

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