{"action":"Upgrade n8n to 1.123.64 or later.","affected":[{"fixed":"1.123.64","introduced":"0"},{"fixed":"2.30.1","introduced":"2.30.0"},{"fixed":"2.29.8","introduced":"2.0.0-rc.0"}],"component":"n8n","cve_ids":["CVE-2026-65589"],"ecosystem":"npm","epss":0.00484,"exploited":false,"fixed_versions":["1.123.64","2.30.1","2.29.8"],"ghsa_id":"GHSA-89gh-3pgc-v5h2","id":"tcs_01M5KFCF2NPZ1YC3WFCHPES6J5","modified_at":"2026-07-22T23:11:44.096072Z","published_at":"2026-07-22T22:54:01Z","references":["https://osv.dev/vulnerability/GHSA-89gh-3pgc-v5h2","https://github.com/n8n-io/n8n/security/advisories/GHSA-89gh-3pgc-v5h2","https://nvd.nist.gov/vuln/detail/CVE-2026-65589","https://github.com/n8n-io/n8n","https://github.com/n8n-io/n8n/releases/tag/n8n@1.123.64","https://github.com/n8n-io/n8n/releases/tag/n8n@2.29.8","https://github.com/n8n-io/n8n/releases/tag/n8n@2.30.1","https://www.vulncheck.com/advisories/n8n-before-credential-exposure-via-llm-node-execution-data"],"severity":{"label":"medium"},"sources":[{"source":"osv","source_id":"GHSA-89gh-3pgc-v5h2","url":"https://osv.dev/vulnerability/GHSA-89gh-3pgc-v5h2"}],"summary":"n8n: Custom Header Credential Values Leaked in Plaintext into LLM Node Execution Data"}