CRITICAL 9.3 NVD
CVE-2026-111643
Misaka Danmu Server through 2.8.9 contains an authentication bypass vulnerability that allows unauthenticated attackers to write arbitrary configuration keys vi
Misaka Danmu Server through 2.8.9 contains an authentication bypass vulnerability that allows unauthenticated attackers to write arbitrary configuration keys via the unprotected POST /api/ui/config-history/rollback endpoint. Attackers can set the ipWhitelist key to their own /32 address, or alter trustedProxies and webhookApiKey, to access every protected endpoint as the administrator.
References
- https://github.com/l429609201/misaka_danmu_server/blob/v2.8.9/src/api/ui/config_history.py
- https://github.com/l429609201/misaka_danmu_server/blob/v2.8.9/src/security.py#L136-L182
- https://hackmd.io/@hieuPenguinnn/misaka-danmu-server-ui-api-missing-authentication
- https://www.vulncheck.com/advisories/misaka-danmu-server-through-2.8.9-authentication-bypa
This critical severity vulnerability with a CVSS score of 9.3 was published on 2026-10-16 via NVD.
Risk Timeline
CVE Disclosed2026-10-16 · -1 days ago
Remediation Resources
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