CVE-2026-7366

IBM DataPower Gateway affected by HTTP request header leakage in XML-Firewall

Published Aug 12, 2026 CVSS 3.1 · 4.2 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

Vendor Solution

IBM strongly advises upgrading as soon as possible. APAR: DT469107 https://www.ibm.com/mysupport/s/defect/aCIgJ000000D4FV/dt469107 Affected VersionsFixed in ReleaseIBM DataPower Gateway 11.0.0 11.0.0.0 - 11.0.0.111.0.0.2IBM DataPower Gateway 10.5.0 10.5.0.0 - 10.5.0.2110.5.0.22IBM DataPower Gateway 10.6.0 10.6.0.0 - 10.6.0.910.6.0.10


Vendor Workaround

Disable persistent connections to an XML Firewall service or don't set the X-Client-IP header on the client request.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Ibm datapower Gateway
CPEs cpe:2.3:a:ibm:datapower_gateway:*:*:*:*:*:*:*:*
Vendors & Products Ibm datapower Gateway
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title IBM DataPower Gateway affected by HTTP request header leakage in XML-Firewall
First Time appeared Ibm
Ibm datapower Gateway 1050
Ibm datapower Gateway 1060
Ibm datapower Gateway 1100
Weaknesses CWE-362
CPEs cpe:2.3:a:ibm:datapower_gateway_1050:10.5.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:datapower_gateway_1050:10.5.0.21:*:*:*:*:*:*:*
cpe:2.3:a:ibm:datapower_gateway_1060:10.6.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:datapower_gateway_1060:10.6.0.9:*:*:*:*:*:*:*
cpe:2.3:a:ibm:datapower_gateway_1100:11.0.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:datapower_gateway_1100:11.0.0.1:*:*:*:*:*:*:*
Vendors & Products Ibm
Ibm datapower Gateway 1050
Ibm datapower Gateway 1060
Ibm datapower Gateway 1100
References
Metrics cvssV3_1

{'score': 4.2, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
ibm
Published
Updated
Oct 4, 2026, 4:37 PM
Reserved
Apr 28, 2026, 8:55 PM
Status
Analyzed
Published
Aug 12, 2026, 10:17 PM
Modified
Oct 24, 2026, 3:10 PM