Vulnerability in Apple Macos
CVE-2026-8646
IBM WebSphere Application Server 9.0 and 8.5 and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.6 are vulnerable to HTTP request smuggling. A remote attacker could smuggle a specially crafted request to the application…
Vulnerability class: HTTP Request Smuggling
EPSS: 0.004 (29.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.
Affected products
- Apple Macos
- Ibm Aix
- Ibm I
- Ibm Websphere Application Server — versions 9.0.0, 8.5.0
- Ibm Websphere_application_server
- Ibm Websphere Application Server - Liberty — versions 17.0.0.3
- Ibm Z\/os
- Linux Linux_kernel
- Microsoft Windows
Weakness classification (CWE)
References
- psirt@us.ibm.com (vendor-advisory, patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-8646?
- CVE-2026-8646 is a high-severity vulnerability in Apple Macos, classified under Inconsistent Interpretation of HTTP Requests (HTTP Request/Response Smuggling). CVSS score: 7.4/10. Published 2026-06-22.
- How severe is CVE-2026-8646?
- High severity. CVSS v3 base score is 7.4 out of 10.