CVE-2026-10842

IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by a security bypass vulnerability

7.5 High

IBM WebSphere Application Server 8.5, and 9.0 and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.7 Traditional and Liberty could allow a remote attacker to bypass security constraints.

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: High
Integrity: None
Availability: None

Exploit likelihood

0.53%Up 0.2 points since Jul 31, 2026

What each source reports

CVE List Score used 7.5

IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by a security bypass vulnerability

Record: CVE-2026-10842
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-289
Updated: 2026-11-02

EUVDEUVD-2026-51184 7.5

Record: EUVD-2026-51184
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-xhv7-44rm-j43c 7.5

IBM WebSphere Application Server 8.5, and 9.0 and IBM WebSphere Application Server - Liberty 17.0...

Record: GHSA-xhv7-44rm-j43c
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-289
Updated: 2026-11-02

NVD 7.5

Record: CVE-2026-10842
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-289
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-10842 is a high vulnerability (CVSS 7.5) in Ibm Websphere Application Server, published July 30, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.53%, the 44th percentile. No source names a fixed version.