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CVE-2026-21857

🗓️ 07 Jan 2026 22:32:15Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 7 Views🌐 WEB

CVE-2026-21857: REDAXO prior to 5.20.2 lets authenticated backup users read files via path traversal in Backup export.

Related
Detection
Affected
Refs
Paths
NVD
Vulners
Node
redaxoredaxoRange<5.20.2
[
  {
    "vendor": "redaxo",
    "product": "redaxo",
    "versions": [
      {
        "version": "< 5.20.2",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
EXPDIRrequest bodyredaxo/src/addons/backup/pages/export.phpPath traversal via EXPDIR in Backup addon export allows reading arbitrary files in webrootCWE-22CWE-24

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20 Jan 2026 18:49Current
6.3Medium risk
Vulners AI Score6.3
CVSS 3.16.5
CVSS 48.3
EPSS0.00027
SSVC
7