{"id":"CVE-2026-18904","details":"IBM Langflow OSS 1.0.0 through 1.11.1 could allow a remote attacker to obtain sensitive information and inject unauthorized messages due to a namespace collision between user identifiers.","modified":"2026-11-04T02:47:32.329315245Z","published":"2026-08-28T22:16:47.227Z","database_specific":{},"references":[{"type":"ADVISORY","url":"https://www.ibm.com/support/pages/node/7284579"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/langflow-ai/langflow","events":[{"introduced":"24d9e86885b877ea3e9d03cbc50b963765489721"},{"fixed":"73629e2df63b4d0852808b8b5019f1be55f1f29d"}],"database_specific":{"extracted_events":[{"source":"CPE_RANGE","cpe":"cpe:2.3:a:langflow:langflow:*:*:*:*:*:*:*:*","range":[{"introduced":"1.0.0"},{"fixed":"1.11.2"}]}]}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-18904.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N"}]}