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CVE-2026-63765 Chatwoot < 4.16.0 Unauthenticated ActiveStorage Direct Upload Arbitrary Blob Creation

🗓️ 23 Jul 2026 17:52:10Reported by VulnCheckType 
cvelist
 cvelist
🔗 www.cve.org👁 8 Views

Unauthenticated attacker can bypass auth to create ActiveStorage blobs via direct uploads in Chatwoot.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-63765
23 Jul 202617:52
attackerkb
CVE
CVE-2026-63765
23 Jul 202617:52
cve
EUVD
EUVD-2026-48360
23 Jul 202617:52
euvd
NVD
CVE-2026-63765
23 Jul 202619:17
nvd
Positive Technologies
PT-2026-64147
23 Jul 202600:00
ptsecurity
[
  {
    "vendor": "chatwoot",
    "product": "chatwoot",
    "defaultStatus": "unaffected",
    "packageURL": "pkg:npm/chatwoot/chatwoot",
    "versions": [
      {
        "version": "0",
        "status": "affected",
        "versionType": "semver",
        "lessThan": "4.16.0"
      }
    ],
    "repo": "https://github.com/chatwoot/chatwoot"
  }
]

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