CVE-2026-16184
IBM WebSphere Application Server is affected by an authentication bypass
IBM WebSphere Application Server 9.0, and 8.5 could allow a remote attacker to bypass authentication by sending a crafted unauthenticated request.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
IBM WebSphere Application Server is affected by an authentication bypass
IBM WebSphere Application Server 9.0, and 8.5 could allow a remote attacker to bypass authentication by sending a crafted unauthenticated request.
- Record
CVE-2026-16184- CVSS 3.1
- 7.0 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H - Weakness
- CWE-862
- Updated
- 2026-11-02
EUVDEUVD-2026-50016
IBM WebSphere Application Server 9.0, and 8.5 could allow a remote attacker to bypass authentication by sending a crafted unauthenticated request.
- Record
EUVD-2026-50016- CVSS 3.1
- 7.0 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-78h9-3p2w-5gmr
IBM WebSphere Application Server 9.0, and 8.5 could allow a remote attacker to bypass...
IBM WebSphere Application Server 9.0, and 8.5 could allow a remote attacker to bypass authentication by sending a crafted unauthenticated request.
- Record
GHSA-78h9-3p2w-5gmr- CVSS 3.1
- 7.0 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H - Weakness
- CWE-862
- Updated
- 2026-11-02
NVD
IBM WebSphere Application Server 9.0, and 8.5 could allow a remote attacker to bypass authentication by sending a crafted unauthenticated request.
- Record
CVE-2026-16184- CVSS 3.1
- 7.0 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H - CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-862
- 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-2026-16184 is a high vulnerability (CVSS 7.0) in Ibm Websphere Application Server, published July 28, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.47%, the 41st percentile. No source names a fixed version.