CVE-2026-7366: IBM DataPower Gateway 11.0.0.0 through 11.0.0.1 and IBM DataPower Gateway 10.5.0.0 through 10.5.0.21 and IBM DataPower Gateway 10.6.0.0 through 10.6.0.9 allows…

PriorityP423medium4.2CVSS 3.1

AVNACHPRLUINSUCLILAN

EPSS

0.16%

5.3th percentile

IBM DataPower Gateway 11.0.0.0 through 11.0.0.1 and IBM DataPower Gateway 10.5.0.0 through 10.5.0.21 and IBM DataPower Gateway 10.6.0.0 through 10.6.0.9 allows a race condition that results in improper isolation of request state when handling the built‑in X‑Client‑IP header. Under concurrent request processing, X‑Client‑IP values may be contaminated across requests, enabling IP spoofing and disclosure of other clients’ IP addresses.

Affected

6 ranges

Vendor	Product	Version range	Fixed in
ibm	datapower_gateway	>= 10.5.0.0 < 10.5.0.22	10.5.0.22
ibm	datapower_gateway	>= 10.6.0.0 < 10.6.0.10	10.6.0.10
ibm	datapower_gateway	>= 11.0.0.0 < 11.0.0.2	11.0.0.2
ibm	datapower_gateway_10.5.0	10.5.0.0 – 10.5.0.21	—
ibm	datapower_gateway_10.6.0	10.6.0.0 – 10.6.0.9	—
ibm	datapower_gateway_11.0.0	11.0.0.0 – 11.0.0.1	—

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