VU#645818: Xerj Console API Authentication Bypass Leads to Unauthorized Credential Minting

Date Oct 20, 2026
Type Coordinated disclosure
Signal Patch review
Vendor / Product GitHub · repository for updates and install the latest
Patch review

Summary

Overview An authentication bypass vulnerability in the Xerj Console API allows sessions to bypass passkey-backed requirements during token issuance. By exploiting this flaw, an attacker with an existing valid token can create independent, persistent successor credentials directly through the console API. This allows the attacker to maintain access and potentially escalate privileges within the Xerj ecosystem, even if the initial token is revoked. Description Xerj is an open-source search and indexing engine tailored specifically for AI agents utilizing the Elasticsearch API, allowing AI models to query a structured index. The vulnerability, CVE-2026-97406 , stems from a flaw in how session states are authenticated and handled within the Xerj system architecture. According to the documented security contract, the issuance of new API... Related CVEs: CVE-2026-97406.

Why it matters

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Sources

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