VulnSocial

CVE-2026-111643

LOWCVSS 9.3 · CRITICAL

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD 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.

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0.0/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-306

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Deep dive

Full discourse1 post
  • DFIR Lab@DFIR_Lab

    🚨 CRITICAL: CVE-2026-111643 (CVSS 9.8) - Misaka Danmu Server ≤2.8.9 auth bypass allows unauthenticated attackers to gain admin access via unprotected API endpoint. Patch immediately. #CVE #Vulnerability #PatchNow #ThreatIntel #CyberSecurity https://t.co/XI1zs5qJNd

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