Denial of Service Vulnerability in IBM DataPower Gateway
CVE-2026-15822

7.5HIGH

Key Information:

Vendor

IBM
Status
Datapower Gateway 10.6cd
Datapower Gateway 10.6.0
Datapower Gateway 11.0.0
Datapower Gateway 10.5.0
Vendor
CVE Published:
8 October 2026

What is CVE-2026-15822?

A vulnerability exists in the IBM DataPower Gateway that allows remote attackers to trigger a denial of service. This occurs due to improper memoization of GraphQL fragment spreads, which could be exploited to disrupt service availability. Multiple versions of the product are affected, necessitating immediate attention to apply the relevant security updates.

Affected Version(s)

DataPower Gateway 10.5.0 10.5.0.0 <= 10.5.0.22

DataPower Gateway 10.6.0 10.6.0.0 <= 10.6.0.10

DataPower Gateway 10.6CD 10.6.1 <= 10.6.6

References

https://www.ibm.com/support/pages/node/7289775
vendor-advisorypatch

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.