CVE-2026-15064CWE-444

CVE-2026-15064

High · published July 29, 2026

CVSS v3.1
8.7
EPSS
0%
Percentile
26.4
In the wild
Unconfirmed
What it is

IBM WebSphere Application Server and IBM WebSphere Application Server - Liberty is vulnerable to HTTP Response Smuggling due to improper handling of non-standard HTTP version tokens.

The record
Technical detail
CVSS v3.1
8.7 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00341 · 26.4th percentile
Weakness
CWE-444 · Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
Published
2026-07-29T01:17Z
Affected products (3)
ProductVersionsFixed in
ibm/websphere_application_server≥ 8.5.0.0, < 8.5.5.318.5.5.31
ibm/websphere_application_server≥ 9.0.0.0, < 9.0.5.299.0.5.29
ibm/websphere_application_server≥ 17.0.0.3, < 26.0.0.826.0.0.8
References (1)
https://www.ibm.com/support/pages/node/7281625 · [email protected]
EPSS history
Timeline
  • 28 JUL 20:10Z
    IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by multiple vulnerabilities
    cvelistv5