{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-6542","assignerOrgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","state":"PUBLISHED","assignerShortName":"ibm","dateReserved":"2026-04-17T17:59:10.380Z","datePublished":"2026-04-30T21:16:10.787Z","dateUpdated":"2026-05-01T15:00:43.375Z"},"containers":{"cna":{"providerMetadata":{"orgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","shortName":"ibm","dateUpdated":"2026-04-30T21:16:10.787Z"},"title":"Monitor API allows cross-user read of transaction logs and deletion of build data via flow_id","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-639","description":"CWE-639 Authorization Bypass Through User-Controlled Key","type":"CWE"}]}],"affected":[{"vendor":"IBM","product":"Langflow OSS","versions":[{"status":"affected","version":"1.0.0","lessThanOrEqual":"1.8.4","versionType":"semver"}],"cpes":["cpe:2.3:a:ibm:langflow_oss:1.0.0:*:*:*:*:*:*:*","cpe:2.3:a:ibm:langflow_oss:1.8.4:*:*:*:*:*:*:*"]}],"descriptions":[{"lang":"en","value":"IBM Langflow OSS 1.0.0 through 1.8.4 could allow any user to supply a flow_id to read transaction logs and vertex build data belonging to other users, and to delete persisted vertex build data for another user's flow.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>IBM Langflow OSS 1.0.0 through 1.8.4 could allow any user to supply a flow_id to read transaction logs and vertex build data belonging to other users, and to delete persisted vertex build data for another user's flow.</p>"}]}],"references":[{"url":"https://www.ibm.com/support/pages/node/7270886","tags":["vendor-advisory","patch"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE","baseSeverity":"MEDIUM","baseScore":6.5,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"}}],"solutions":[{"lang":"en","value":"IBM recommends addressing the vulnerability now by upgrading to Langflow OSS 1.9.0 or newer:  https://github.com/langflow-ai/langflow","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>IBM recommends addressing the vulnerability now by upgrading to Langflow OSS 1.9.0 or newer:&nbsp;<a href=\"https://github.com/langflow-ai/langflow\" rel=\"nofollow\">https://github.com/langflow-ai/langflow</a></p>"}]}],"x_generator":{"engine":"ibm-cvegen"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-01T14:59:58.126303Z","id":"CVE-2026-6542","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-05-01T15:00:43.375Z"}}]}}