Description
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.
Published: 2026-10-16
Score: 9.3 Critical
EPSS: < 1% Very Low
KEV: No
AI Analysis

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Remediation

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Tracking

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Advisories

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History

Mon, 26 Oct 2026 19:45:00 +0000

Type Values Removed Values Added
First Time appeared L429609201
L429609201 misaka Danmu Server
Vendors & Products L429609201
L429609201 misaka Danmu Server

Fri, 23 Oct 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 16 Oct 2026 17:45:00 +0000

Type Values Removed Values Added
Description 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.
Title Misaka Danmu Server through 2.8.9 Authentication Bypass via Config-History Rollback
Weaknesses CWE-306
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


Subscriptions

L429609201 Misaka Danmu Server
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-23T16:08:12.073Z

Reserved: 2026-10-16T14:31:13.864Z

Link: CVE-2026-111643

cve-icon Vulnrichment

Updated: 2026-10-23T16:07:42.981Z

cve-icon NVD

Status : Deferred

Published: 2026-10-16T18:17:45.013

Modified: 2026-10-23T17:17:20.947

Link: CVE-2026-111643

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-26T19:27:49Z

Weaknesses