CVE-2026-111644
Misaka Danmu Server through 2.8.9 Missing Authentication on /api/ui Routes
- State
- Published
- Severity
- 6.9 Medium
- Published
- Oct 16, 2026
- Updated
- Oct 21, 2026
- Reserved
- Oct 16, 2026
Description
Misaka Danmu Server through 2.8.9 contains a missing authentication vulnerability that allows unauthenticated attackers to access audit, diagnostics, data-check, scan-index and health routes under /api/ui lacking the get_current_user dependency. Attackers can read audit logs with login IPs, server logs and environment paths, delete episode rows, clear media-server mappings, and wipe audit history.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 7.3 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L | VulnCheck |
Weaknesses
- CWE-306 Missing Authentication for Critical Function
Affected Products
| Product | Versions |
|---|---|
misaka_danmu_serverl429609201 |
|
References
- https://hackmd.io/@hieuPenguinnn/misaka-danmu-server-ui-api-missing-authenticationthird-party-advisory
- https://github.com/l429609201/misaka_danmu_server/blob/v2.8.9/src/api/ui/audit.py#L31-L66technical-description
- https://github.com/l429609201/misaka_danmu_server/blob/v2.8.9/src/api/ui/data_check.py#L116-L140technical-description
- https://github.com/l429609201/misaka_danmu_server/blob/v2.8.9/src/api/ui/diagnostics.py#L156-L210technical-description
- VulnCheck Advisory: Misaka Danmu Server through 2.8.9 Missing Authentication on /api/ui Routesthird-party-advisory
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