CVE-2026-111704
CVE-2026-111704 · LangChat through commit 2a6285a Missing Authentication on REST API Controllers
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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.
CVSS 9.3 · Kritisch · EPSS 0,7%
- Veröffentlicht
- Aktualisiert
Betroffene Produkte und Versionen
langchat
- Softwareversionen
- ≥ 0, ≤ 2a6285a6b8c51d51cdc599771bb667a30bc03f5c: Betroffen (git)
Keine Korrektur veröffentlicht
Originalquellen
- https://hackmd.io/@hieuPenguinnn/langchat-missing-global-auth-credential-exposure
- https://github.com/LangChat/langchat/blob/2a6285a6b8c51d51cdc599771bb667a30bc03f5c/langchat-server/src/main/java/cn/langchat/server/config/WebAsyncConfig.java#L17-L33
- https://github.com/LangChat/langchat/blob/2a6285a6b8c51d51cdc599771bb667a30bc03f5c/langchat-auth/src/main/java/cn/langchat/auth/controller/AigcUserController.java#L25-L60
- https://github.com/LangChat/langchat/blob/2a6285a6b8c51d51cdc599771bb667a30bc03f5c/langchat-auth/src/main/java/cn/langchat/auth/service/impl/AuthServiceImpl.java#L51-L58
- https://www.vulncheck.com/advisories/langchat-through-commit-2a6285a-missing-authentication-on-rest-api-controllers
- https://nvd.nist.gov/vuln/detail/CVE-2026-111704