CVE-2026-8644
IBM WebSphere Application Server is affected by an identity spoofing vulnerability
IBM WebSphere Application Server 9.0, and 8.5 is vulnerable to identity spoofing.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
9.1
IBM WebSphere Application Server is affected by an identity spoofing vulnerability
IBM WebSphere Application Server 9.0, and 8.5 is vulnerable to identity spoofing.
- Record
CVE-2026-8644- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H - Weakness
- CWE-290
- Updated
- 2026-11-02
EUVDEUVD-2026-33732
9.1
IBM WebSphere Application Server 9.0, and 8.5 is vulnerable to identity spoofing.
- Record
EUVD-2026-33732- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-6xwx-7ghh-j6w4
9.1
IBM WebSphere Application Server 9.0, and 8.5 is vulnerable to identity spoofing.
IBM WebSphere Application Server 9.0, and 8.5 is vulnerable to identity spoofing.
- Record
GHSA-6xwx-7ghh-j6w4- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H - Weakness
- CWE-290
- Updated
- 2026-11-02
NVD
9.1
IBM WebSphere Application Server 9.0, and 8.5 is vulnerable to identity spoofing.
- Record
CVE-2026-8644- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H - Weakness
- CWE-290
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-8644 is a critical vulnerability (CVSS 9.1) in Ibm Websphere Application Server, published June 1, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.33%, the 26th percentile. No source names a fixed version.