CVE-2026-8646
IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by multiple vulnerabilities
Description
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 server thereby allowing the attacker to bypass security controls, spoof identity, escalate privilege, and expose sensitive information.
INFO
Published Date :
June 22, 2026, 2:44 p.m.
Last Modified :
June 22, 2026, 2:44 p.m.
Remotely Exploit :
Yes !
Source :
ibm
Affected Products
The following products are affected by CVE-2026-8646
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 9a959283-ebb5-44b6-b705-dcc2bbced522 |
Solution
- Update WebSphere Application Server to the latest fixed version.
- Review and harden HTTP request handling configurations.
- Implement input validation for incoming requests.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-8646 vulnerability anywhere in the article.