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CVE-2026-40263 Note Mark: Username Enumeration via Login Endpoint Timing Side-Channel

🗓️ 16 Apr 2026 23:53:50Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 27 Views

Note Mark login endpoint reveals valid usernames via timing side channel; fixed in 0.19.2.

Related
Affected
Refs
[
  {
    "vendor": "enchant97",
    "product": "note-mark",
    "versions": [
      {
        "version": "< 0.19.2",
        "status": "affected"
      }
    ]
  }
]

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