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CVE-2026-19875 Unauthenticated Registration POST Endpoint Permits Admin Email Overwrite and Outbound Relay Abuse in Langflow

🗓️ 19 Aug 2026 17:38:06Reported by ibmType 
cvelist
 cvelist
🔗 www.cve.org👁 5 Views

Unauthenticated registration endpoint in Langflow 1.0.0-1.10.0 allows admin email overwrite and outbound relay abuse.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ibm
IBM Security Bulletins
Security Bulletin: Unauthenticated Registration POST Endpoint Permits Admin Email Overwrite and Outbound Relay Abuse in Langflow
14 Aug 202617:11
ibm
cve
CVE
CVE-2026-19875
19 Aug 202617:38
cve
euvd
EUVD
EUVD-2026-62606
19 Aug 202617:38
euvd
nvd
NVD
CVE-2026-19875
19 Aug 202618:16
nvd
ptsecurity
Positive Technologies
PT-2026-22521
1 Mar 202600:00
ptsecurity
[
  {
    "vendor": "IBM",
    "product": "Langflow OSS",
    "versions": [
      {
        "status": "affected",
        "version": "1.0.0",
        "lessThanOrEqual": "1.10.0",
        "versionType": "semver"
      }
    ],
    "cpes": [
      "cpe:2.3:a:ibm:langflow:1.0.0:*:*:*:*:*:*:*",
      "cpe:2.3:a:ibm:langflow:1.10.0:*:*:*:*:*:*:*"
    ]
  }
]

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