CVE Catalog

CVE-2026-111704

CriticalCVSS 9.8
Published: Updated: Translated: NVD NIST

Summary

LangChat through commit 2a6285a contains a missing authentication vulnerability that allows unauthenticated remote attackers to access REST controllers because no Sa-Token interceptor is registered. Attackers can query /api/v1/auth/users to read plaintext passwords, retrieve LLM provider API keys, create super-admin accounts, and modify or delete data.

Risk Assessment

An unauthenticated attacker can access sensitive data and gain full administrative privileges, leading to a serious security breach.

Recommendation

Update LangChat to a version containing the fix or apply mitigations.

Related vulnerabilities

Original NVD description (English source)

LangChat through commit 2a6285a contains a missing authentication vulnerability that allows unauthenticated remote attackers to access REST controllers because no Sa-Token interceptor is registered. Attackers can query /api/v1/auth/users to read plaintext passwords, retrieve LLM provider API keys, create super-admin accounts, and modify or delete data.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS