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CVE-2026-25539

🗓️ 04 Feb 2026 21:39:12Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 82 Views🌐 WEB

CVE-2026-25539 SiYuan lets authenticated users write to arbitrary locations via copyFile route.

Related
Detection
Affected
Refs
Paths
NVD
Vulners
Node
b3logsiyuanRange≤3.5.3
[
  {
    "vendor": "siyuan-note",
    "product": "siyuan",
    "versions": [
      {
        "version": "< 3.5.5",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
destrequest body/api/file/copyFileAuthenticated users can write files to arbitrary locations on the filesystem via an unvalidated dest parameter in /api/file/copyFile, enabling potential remote code execution (RCE).CWE-22

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17 Jun 2026 10:24Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.17.2 - 9.1
EPSS0.01133
SSVC
82