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CVE-2026-111704

LangChat through commit 2a6285a Missing Authentication on REST API Controllers

Published
Last modified
Status
published
Known exploitation
Not listed in CISA KEV
Public exploit
None on Exploit-DB
CISA SSVC
  • Exploitation: poc
  • Automatable: yes
  • Technical impact: total
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Decision points from CISA's Vulnrichment, assessed (SSVC 2.0.3).

SSVC documentation

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.

Affected versions

  • LangChat langchat

    through 2a6285a6b8c51d51cdc599771bb667a30bc03f5c

References 5

hackmd.io

GitHub · LangChat/langchat

vulncheck.com