Summary
generated automatically from NVD dataLangChat, up to commit 2a6285a, has a missing authentication flaw (CWE-306): no Sa-Token interceptor is registered, so its REST controllers can be reached by unauthenticated remote attackers. By querying /api/v1/auth/users, an attacker can read plaintext passwords and retrieve LLM provider API keys. They can also create super-admin accounts and modify or delete data. The flaw is rated CRITICAL with a CVSS v3.1 score of 9.8.
NVD description
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.
EPSS · FIRST.org
0.51%probability of exploitation in the next 30 days
Higher than 42% of scored CVEs
EPSS (Exploit Prediction Scoring System) estimates, from observed exploitation activity, how likely a CVE is to be exploited in the next 30 days. It complements CVSS, which measures severity, not likelihood. Score of 2026-10-18, recomputed daily by FIRST.org.
In-depth analysis on cveo.tech
We've published a detailed analysis of this CVE — exploitation, IOCs and mitigation.
CVSS v3.1 Score
Information
- Published
- 16 oct. 2026
- Updated
- 16 oct. 2026
- Status
- Deferred
- Source
- disclosure@vulncheck.com
Weaknesses (CWE)
References (5)
Similar CVEs
Other vulnerabilities of type CWE-306
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