{"id":"CVE-2026-13257","title":"IBM DataPower Gateway 10.5.0.0 through 10.5.0.22, 10.6.1 through 10.6.6, 10.6.0.0 through 10.6.0.10, and 11.0.0.0 through 11.0.0.2 could allow an authenticated user to forge signature requests due to improper verification of data authent…","summary":"IBM DataPower Gateway 10.5.0.0 through 10.5.0.22, 10.6.1 through 10.6.6, 10.6.0.0 through 10.6.0.10, and 11.0.0.0 through 11.0.0.2 could allow an authenticated user to forge signature requests due to improper verification of data authent…","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","cwe":["CWE-345"],"vendor":"ibm","product":"datapower_gateway","affected":["datapower_gateway >= 10.5.0.0, < 10.5.0.23","datapower_gateway >= 10.6.0.0, < 10.6.0.11","datapower_gateway >= 10.6.1.0, < 11.0.0.3","datapower_gateway >= 11.0.0.0, < 11.0.0.3"],"patched":["datapower_gateway 11.0.0.3"],"published":"2026-10-08","updated":"2026-10-14","sourceUpdated":"2026-10-14T23:59:21.327","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-13257","references":[{"url":"https://www.ibm.com/support/pages/node/7289775","label":"psirt@us.ibm.com"}],"tags":["nvd","cve.org"],"epss":0.00135,"epssPercentile":0.02952,"ingestedAt":"2026-10-08T14:47:16.366Z","slug":"CVE-2026-13257","body":"## Overview\n\nIBM DataPower Gateway 10.5.0.0 through 10.5.0.22, 10.6.1 through 10.6.6, 10.6.0.0 through 10.6.0.10, and 11.0.0.0 through 11.0.0.2 could allow an authenticated user to forge signature requests due to improper verification of data authenticity.\n\n## Affected\n\n- `datapower_gateway >= 10.5.0.0, < 10.5.0.23`\n- `datapower_gateway >= 10.6.0.0, < 10.6.0.11`\n- `datapower_gateway >= 10.6.1.0, < 11.0.0.3`\n- `datapower_gateway >= 11.0.0.0, < 11.0.0.3`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `datapower_gateway 11.0.0.3`","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}