CVE-2026-111723: LingGuo-Drama through commit 8a6924a Broken Access Control via /admin/v1/admins API

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-16 · updated 2026-10-20
Weakness: CWE-862

Description

LingGuo-Drama through commit 8a6924a contains a missing authorization vulnerability that allows any registered user to manage all accounts through the /admin/v1/admins API protected only by AuthAdminJWT. Attackers can self-register, read every account's bcrypt hash, reset the bootstrap administrator's password via PUT, raise their authority_id, and delete accounts.

References

https://github.com/LingGuoAI/LingGuo-Drama/blob/8a6924adf8142678919b4d9a08b9d60c49dcfbed/server/app/http/controllers/admin/v1/admins_controller.go#L166-L198
https://github.com/LingGuoAI/LingGuo-Drama/blob/8a6924adf8142678919b4d9a08b9d60c49dcfbed/server/app/models/admins/admins.go#L14
https://github.com/LingGuoAI/LingGuo-Drama/blob/8a6924adf8142678919b4d9a08b9d60c49dcfbed/server/routes/admin.go#L244-L255
https://hackmd.io/@hieuPenguinnn/lingguo-drama-broken-access-control
https://www.vulncheck.com/advisories/lingguo-drama-through-commit-8a6924a-broken-access-control-via-admin-v1-admins-api
https://hackmd.io/@hieuPenguinnn/lingguo-drama-broken-access-control

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