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CVE-2026-19295

🗓️ 28 Aug 2026 20:53:00Reported by ibmType 
cve
 cve
🔗 web.nvd.nist.gov👁 137 Views🌐 WEB

Authenticated RCE in IBM Langflow 1.0.0-1.11.1 via crafted flow type field bypassing policy.

Related
Detection
Affected
Refs
Paths
NVD
Vulners
Node
langflowlangflowRange1.0.0–1.11.2
[
  {
    "vendor": "IBM",
    "product": "Langflow OSS",
    "versions": [
      {
        "status": "affected",
        "version": "1.0.0",
        "lessThanOrEqual": "1.11.1",
        "versionType": "semver"
      }
    ],
    "cpes": [
      "cpe:2.3:a:ibm:langflow_oss:1.0.0:*:*:*:*:*:*:*",
      "cpe:2.3:a:ibm:langflow_oss:1.11.1:*:*:*:*:*:*:*"
    ]
  }
]
ParameterPositionPathDescriptionCWE
usernamerequest body/api/v1/loginAuthenticated login endpoint used to obtain an access token for exploitation.CWE-95
passwordrequest body/api/v1/loginAuthenticated login endpoint used to obtain an access token for exploitation.CWE-95
data.nodes[0].data.node.template.code.valuerequest body/api/v1/flows/Upload of a crafted Langflow flow containing injected code that enables remote code execution when the flow is built.CWE-95
flow_idpath/api/v1/build/{flow_id}/flowTrigger the build/execution of a previously uploaded flow containing malicious code to achieve authenticated RCE.CWE-95
flow_idpath/api/v1/flows/{flow_id}Cleanup endpoint used to delete the malicious flow after exploitation.CWE-95

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01 Sep 2026 04:18Current
8.5High risk
Vulners AI Score8.5
CVSS 3.19.9
EPSS0.02997
SSVC
137