IBM Langflow OSS 1.0.0 through 1.10.1 can allow an attacker to access another user's private vector documents by creating their own flow with matching Chroma persist_directory and collection_name values. The attacker receives exact victim content in their workflow output despite having no authorization to read the victim's flow. Additionally, the attacker can pollute the victim's collection by inserting their own documents into the shared namespace.
"}],"value":"IBM Langflow OSS 1.0.0 through 1.10.1 can allow an attacker to access another user's private vector documents by creating their own flow with matching Chroma persist_directory and collection_name values. The attacker receives exact victim content in their workflow output despite having no authorization to read the victim's flow. Additionally, the attacker can pollute the victim's collection by inserting their own documents into the shared namespace."}],"problemTypes":[{"descriptions":[{"cweId":"CWE-520","description":"CWE-520 .NET Misconfiguration: Use of Impersonation","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-07-30T18:38:32.531Z","orgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","shortName":"ibm"},"references":[{"tags":["vendor-advisory","patch"],"url":"https://www.ibm.com/support/pages/node/7279989"}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"IBM strongly recommends addressing the vulnerability now by upgrading Langflow OSS to version 1.10.2
"}],"value":"IBM strongly recommends addressing the vulnerability now by upgrading Langflow OSS to version 1.10.2 https://pypi.org/project/langflow/"}],"title":"Langflow is affected by remote code execution, denial of service, path traversal, and exposed credentials due to multiple unauthenticated and insufficiently authorized API endpoints"}},"cveMetadata":{"assignerOrgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","assignerShortName":"ibm","cveId":"CVE-2026-13444","datePublished":"2026-07-30T18:38:32.531Z","dateReserved":"2026-06-26T16:38:07.032Z","dateUpdated":"2026-07-30T19:21:21.684Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-30 19:17:06","lastModifiedDate":"2026-07-30 20:16:52","problem_types":["CWE-520","CWE-520 CWE-520 .NET Misconfiguration: Use of Impersonation"],"metrics":{"cvssMetricV31":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","baseScore":8.1,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":5.2}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-07-30T19:21:03.779040Z","id":"CVE-2026-13444","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"13444","Ordinal":"1","Title":"Langflow is affected by remote code execution, denial of service","CVE":"CVE-2026-13444","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"13444","Ordinal":"1","NoteData":"IBM Langflow OSS 1.0.0 through 1.10.1 can allow an attacker to access another user's private vector documents by creating their own flow with matching Chroma persist_directory and collection_name values. The attacker receives exact victim content in their workflow output despite having no authorization to read the victim's flow. Additionally, the attacker can pollute the victim's collection by inserting their own documents into the shared namespace.","Type":"Description","Title":"Langflow is affected by remote code execution, denial of service"}]}}}