What’s Vulnerable › Vulnerabilities

CVE-2026-111644: Misaka Danmu Server through 2.8.9 Missing Authentication on /api/ui Routes

• Severity: high (CVSS 7.3 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 2026-10-21
• Weakness: CWE-306

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.

Affected products

• l429609201 misaka_danmu_server: through 2.8.9

References

• https://github.com/l429609201/misaka_danmu_server/blob/v2.8.9/src/api/ui/audit.py#L31-L66
• https://github.com/l429609201/misaka_danmu_server/blob/v2.8.9/src/api/ui/data_check.py#L116-L140
• https://github.com/l429609201/misaka_danmu_server/blob/v2.8.9/src/api/ui/diagnostics.py#L156-L210
• https://hackmd.io/@hieuPenguinnn/misaka-danmu-server-ui-api-missing-authentication
• https://www.vulncheck.com/advisories/misaka-danmu-server-through-2.8.9-missing-authentication-on-api-ui-routes

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