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CVE-2026-9130

🗓️ 05 Aug 2026 18:16:05Reported by ibmType 
cve
 cve
🔗 web.nvd.nist.gov👁 74 Views🌐 WEB

CVE-2026-9130: cross-user data exposure via session_id collision in Langflow open source auto login off.

Related
Detection
Affected
Refs
Paths
NVD
Vulners
Node
langflowlangflowRange1.0.0–1.11.0
[
  {
    "vendor": "IBM",
    "product": "Langflow OSS",
    "versions": [
      {
        "status": "affected",
        "version": "1.0.0",
        "lessThanOrEqual": "1.10.3",
        "versionType": "semver"
      }
    ],
    "cpes": [
      "cpe:2.3:a:ibm:langflow_oss:1.0.0:*:*:*:*:*:*:*",
      "cpe:2.3:a:ibm:langflow_oss:1.10.3:*:*:*:*:*:*:*"
    ]
  }
]
ParameterPositionPathDescriptionCWE
session_idquery param/api/v1/run/*Authorization bypass via session_id collision allowing cross-user access to chat history; MemoryComponent.retrieve_messages/store_message do not validate ownership; affects multi-user deployments when LANGFLOW_AUTO_LOGIN=False.CWE-639
session_idquery param/api/v1/responsesAuthorization bypass via session_id collision allowing cross-user access to chat history; MemoryComponent.retrieve_messages/store_message do not validate ownership; affects multi-user deployments when LANGFLOW_AUTO_LOGIN=False.CWE-639
session_idquery param/api/v2/workflow/*Authorization bypass via session_id collision allowing cross-user access to chat history; MemoryComponent.retrieve_messages/store_message do not validate ownership; affects multi-user deployments when LANGFLOW_AUTO_LOGIN=False.CWE-639

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07 Aug 2026 13:16Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.17.1
EPSS0.00297
SSVC
74