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CVE-2026-111643

Misaka Danmu Server through 2.8.9 Authentication Bypass via Config-History Rollback

Published
Last modified
Status
published
Known exploitation
Not listed in CISA KEV
Public exploit
None on Exploit-DB
CISA SSVC
  • Exploitation: poc
  • Automatable: yes
  • Technical impact: total
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Decision points from CISA's Vulnrichment, assessed (SSVC 2.0.3).

SSVC documentation

Summary

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.

Affected versions

  • l429609201 misaka_danmu_server

    through 2.8.9

References 4

hackmd.io

GitHub · l429609201/misaka_danmu_server

vulncheck.com