CVE-2026-13257: medium-severity vulnerability in IBM DataPower Gateway 10.5.0
IBM DataPower Gateway Insufficient Verification of Data Authenticity
Published
10Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.5
exploitation probability
—
observed exploitation
nono source reports it
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 authenticity.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Affected products
IBM · DataPower Gateway 10.5.0IBM · DataPower Gateway 10.6.0IBM · DataPower Gateway 10.6CDIBM · DataPower Gateway 11.0.0Related CVEs — IBM DataPower Gateway 10.5.0
In the same product, most dangerous first.
CVE-2026-12733HIGHIBM DataPower Gateway affected by denial of serviceEPSS 0.5%CVE-2025-36374MEDIUMIBM DataPower Gateway affected by XML external entity injectionEPSS 0.4%CVE-2025-36373MEDIUMIncorrect administrative access control in IBM DataPower GatewayEPSS 0.3%CVE-2025-36375MEDIUMIBM DataPower Gateway vulnerable to CSRFEPSS 0.2%CVE-2026-7366MEDIUMIBM DataPower Gateway affected by HTTP request header leakage in XML-FirewallEPSS 0.2%CVE-2026-14269CRITICALIBM DataPower Gateway Buffer OverflowEPSS —