CVE-2026-15822: high-severity vulnerability in IBM DataPower Gateway 10.5.0
IBM DataPower Gateway Denial of Service
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 0.3%
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 a remote attacker to cause a denial of service due to improper memoization of GraphQL fragment spreads.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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-2026-14497HIGHIBM DataPower Gateway Improper Verification of Cryptographic SignatureEPSS 0.6%CVE-2026-12733HIGHIBM DataPower Gateway affected by denial of serviceEPSS 0.5%CVE-2026-15762CRITICALIBM DataPower Gateway Out-of-bounds WriteEPSS 0.5%CVE-2026-16340CRITICALIBM DataPower Gateway Out-of-bounds WriteEPSS 0.5%CVE-2026-14269CRITICALIBM DataPower Gateway Buffer OverflowEPSS 0.5%CVE-2025-36374MEDIUMIBM DataPower Gateway affected by XML external entity injectionEPSS 0.4%