---
id: CVE-2026-111644
title: Misaka Danmu Server through 2.8.9 Missing Authentication on /api/ui Routes
summary: >-
  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 dep…
severity: high
cvss: 7.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L'
cvssSource: cna
cwe:
  - CWE-306
vendor: l429609201
product: misaka_danmu_server
affected:
  - misaka_danmu_server <= 2.8.9
published: '2026-10-16'
updated: '2026-10-16'
sourceUpdated: '2026-10-16T17:39:13.747Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-111644'
references:
  - url: >-
      https://hackmd.io/@hieuPenguinnn/misaka-danmu-server-ui-api-missing-authentication
  - url: >-
      https://github.com/l429609201/misaka_danmu_server/blob/v2.8.9/src/api/ui/audit.py#L31-L66
  - url: >-
      https://github.com/l429609201/misaka_danmu_server/blob/v2.8.9/src/api/ui/data_check.py#L116-L140
  - url: >-
      https://github.com/l429609201/misaka_danmu_server/blob/v2.8.9/src/api/ui/diagnostics.py#L156-L210
  - url: >-
      https://www.vulncheck.com/advisories/misaka-danmu-server-through-2.8.9-missing-authentication-on-api-ui-routes
    label: >-
      VulnCheck Advisory: Misaka Danmu Server through 2.8.9 Missing
      Authentication on /api/ui Routes
tags:
  - cve.org
ingestedAt: '2026-10-16T18:43:08.679Z'
---

## Overview

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

- `misaka_danmu_server <= 2.8.9`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.