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CVE-2026-85621

🗓️ 04 Sep 2026 14:32:12Reported by VulnCheckType 
cve
 cve
🔗 web.nvd.nist.gov👁 34 Views🌐 WEB

Webhook signature bypass in LobeChat 2.2.1 QQ and Feishu adapters allows forged messages.

Related
Detection
Affected
Refs
Paths
Vulners
CNA
Node
lobehublobehubRange≤2.2.15
[
  {
    "vendor": "lobehub",
    "product": "lobehub",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "lessThanOrEqual": "2.2.15",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
bodyrequest body/api/agent/webhooks/qqThe QQ adapter fails to perform Ed25519 signature verification on inbound webhook messages, allowing an attacker to forge messages with a trusted sender identity.CWE-345
bodyrequest body/api/agent/webhooks/feishuThe Feishu adapter performs an optional static-token comparison that is skipped by default and does not verify the body signature, allowing for forged inbound messages.CWE-345

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24 Sep 2026 20:43Current
6Medium risk
Vulners AI Score6
CVSS 3.16.5
CVSS 46.9
EPSS0.00201
34