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CVE-2026-7366— IBM DataPower Gateway affected by HTTP request header leakage in XML-Firewall

Quick assessment

Affected
IBM DataPower Gateway 11.0.0
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

IBM DataPower Gateway是美国IBM公司的一款安全与集成网关设备。 IBM DataPower Gateway 11.0.0.0版本至11.0.0.1版本、10.5.0.0版本至10.5.0.21版本和10.6.0.0版本至10.6.0.9版本存在竞争条件问题漏洞，该漏洞源于处理内置X-Client-IP头时存在竞争条件，导致请求状态隔离不当，可能造成IP欺骗和其他客户端IP地址泄露。

CVSS 4.2 · Medium EPSS 0.16% · P5

Possible ATT&CK Techniques 1 AI

T1557.002 · ARP Cache Poisoning

Affected Version Matrix 3

VendorProduct Version RangeStatus
IBM DataPower Gateway 10.5.0 10.5.0.0≤ 10.5.0.21 affected
IBM DataPower Gateway 10.6.0 10.6.0.0≤ 10.6.0.9 affected
IBM DataPower Gateway 11.0.0 11.0.0.0≤ 11.0.0.1 affected
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I. Basic Information for CVE-2026-7366

Vulnerability Information
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Vulnerability Title
IBM DataPower Gateway affected by HTTP request header leakage in XML-Firewall
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用共享资源的并发执行不恰当同步问题(竞争条件)
Source: CVE Program / CVE List V5
Vulnerability Title
IBM DataPower Gateway 竞争条件问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
IBM DataPower Gateway是美国IBM公司的一款安全与集成网关设备。 IBM DataPower Gateway 11.0.0.0版本至11.0.0.1版本、10.5.0.0版本至10.5.0.21版本和10.6.0.0版本至10.6.0.9版本存在竞争条件问题漏洞，该漏洞源于处理内置X-Client-IP头时存在竞争条件，导致请求状态隔离不当，可能造成IP欺骗和其他客户端IP地址泄露。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
IBM DataPower Gateway 11.0.0 11.0.0.0 ~ 11.0.0.1 cpe:2.3:a:ibm:datapower_gateway_1100:11.0.0.0:*:*:*:*:*:*:*
IBM DataPower Gateway 10.5.0 10.5.0.0 ~ 10.5.0.21 cpe:2.3:a:ibm:datapower_gateway_1050:10.5.0.0:*:*:*:*:*:*:*
IBM DataPower Gateway 10.6.0 10.6.0.0 ~ 10.6.0.9 cpe:2.3:a:ibm:datapower_gateway_1060:10.6.0.0:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-7366

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III. Intelligence Information for CVE-2026-7366

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Vendor Advisories for CVE-2026-7366 (1)

Same Patch Batch · IBM · 2026-08-12 · 68 CVEs total

CVE-2024-27253 10.0 CRITICAL IBM Engineering Requirements Management DOORS Next is impacted by vulnerability in Reviews
CVE-2026-16860 9.9 CRITICAL IBM i is Affected By Remote Code Execution Vulnerability []
CVE-2026-16956 9.8 CRITICAL IBM Db2 Mirror for i is vulnerable to OS command injection []
CVE-2026-17218 9.8 CRITICAL IBM i is Affected By Remote Code Execution Vulnerability in Line Printer Daemon []
CVE-2026-17083 9.8 CRITICAL IBM i is Affected By Multiple Vulnerabilities in the Debug Server
CVE-2026-17276 9.6 CRITICAL IBM i is Affected By Multiple Vulnerabilities in Navigator for i
CVE-2026-18099 8.9 HIGH IBM i is Affected By Multiple Vulnerabilities in Navigator for i
CVE-2026-17110 8.8 HIGH IBM i is Affected By Multiple Vulnerabilities in SQL
CVE-2026-17082 8.8 HIGH IBM i is Affected By Multiple Vulnerabilities in the Debug Server
CVE-2026-18683 8.8 HIGH IBM i is Affected By privilege escalation in Navigator for i
CVE-2026-18847 8.8 HIGH IBM i is Affected By Multiple Vulnerabilities in Navigator for i
CVE-2026-17417 8.8 HIGH IBM i is Affected By Remote Code Execution Vulnerabilities [, ]
CVE-2026-13361 8.8 HIGH IBM Informix Server Vulnerability in SQL Interface Handler Could Allow Remote Code Executi
CVE-2026-13105 8.8 HIGH IBM i Access Client Solutions (ACS) is Affected By Multiple Vulnerabilities
CVE-2026-17642 8.8 HIGH IBM i is Affected By Remote Code Execution Vulnerabilities [, ]
CVE-2026-18669 8.8 HIGH IBM i is Affected By A Privilege Escalation Vulnerability []
CVE-2026-16906 8.8 HIGH IBM i is Affected By Multiple Vulnerabilities in Domain Name System
CVE-2026-16856 8.8 HIGH IBM i is Affected By Multiple Vulnerabilities in Domain Name System
CVE-2026-18713 8.8 HIGH IBM i is Affected By Multiple Vulnerabilities in Navigator for i
CVE-2026-12004 8.7 HIGH Security vulnerabilities have been found in IBM Verify Identity Access and IBM Security Ve

Showing top 20 of 68 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: DataPower Gateway 11.0.0
Same vendor: IBM
Same weakness: CWE-362

V. Comments for CVE-2026-7366

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