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

What is CVE-2026-7366?

CVE-2026-7366 is a medium-severity vulnerability in Ibm Datapower Gateway, published on 12 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official 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.

Weakness: CWE-362

Which versions are affected by CVE-2026-7366?

It affects 1 product.

Products include Ibm Datapower Gateway.

How do I fix CVE-2026-7366?

No fix has been published for CVE-2026-7366 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-7366 being exploited?

There is no known exploitation of CVE-2026-7366 in the wild and no public exploit code.

Other vulnerabilities in Ibm Datapower Gateway

• CVE-2026-14269 IBM DataPower Gateway Buffer Overflow Critical 9.8
• CVE-2026-14502 IBM DataPower Gateway Improper Authentication Critical 9.8
• CVE-2026-14991 IBM DataPower Gateway Out-of-bounds Write Critical 9.8
• CVE-2026-14992 IBM DataPower Gateway Out-of-bounds Write Critical 9.8
• CVE-2026-15762 IBM DataPower Gateway Out-of-bounds Write Critical 9.8

All Ibm Datapower Gateway vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-p6wq-xx5g-mm4g.