CVE-2026-111704

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Source

https://cve.org/CVERecord?id=CVE-2026-111704

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-111704.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-111704

Published

2026-10-16T17:39:56Z

Modified

2026-10-17T02:48:37Z

Severity

9.3 (Critical) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVSS Calculator

Summary

LangChat through commit 2a6285a Missing Authentication on REST API Controllers

Details

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.

Database specific

{
    "cna_assigner":  "VulnCheck",
    "cwe_ids":  [
        "CWE-306"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111704.json"
}

References

Affected packages

Git / github.com/LangChat/langchat

Affected ranges

Type: GIT
Repo: https://github.com/LangChat/langchat
Events: Introduced

0 Unknown introduced commit / All previous commits are affected

Last Affected

2a6285a6b8c51d51cdc599771bb667a30bc03f5c

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-111704.json"