{"id":"CVE-2026-10547","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-10547","summary":null,"details":"IBM Langflow OSS 1.0.0 through 1.10.3 does not properly validate ownership in the deprecated POST /api/v1/build/{flow_id}/vertices endpoint, allowing an authenticated user to inject arbitrary graph data into a shared cache for any flow. This may result in cross-user cache pollution, unauthorized workflow execution, or denial of service.","published":"2026-08-05T19:17:19.847Z","modified":"2026-08-08T09:31:00.187236Z","cvss":{"score":8.1,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H"},"epss":{"score":0.00225,"percentile":0.13421,"asOf":"2026-08-17"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[],"fix":null,"references":[{"type":"ADVISORY","url":"https://www.ibm.com/support/pages/node/7282647"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-08T09:31:00.187236Z"}}