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CVE-2026-55638 is an authentication bypass vulnerability in decolua 9Router versions prior to 0.5.2. The application enforces API-key checks for several API path prefixes in its request-guard logic, including /v1, /v1beta, /api/v1, and /api/v1beta, but fails to apply the same protection to the /codex path. Because the application rewrites /codex/* requests to an internal API endpoint used for response handling, requests sent to /codex/* can reach protected backend functionality without passing through the intended API-key gate. A remote unauthenticated attacker can exploit this path-handling inconsistency to invoke upstream LLM provider requests through the server using credentials stored by the operator.
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No public exploit code observed for this vulnerability.
8 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
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Every observed campaign linking this CVE to a named adversary.
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Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.