Vulnerability · Published Jul 30, 2026 · Assigned by ibm
CVE-2026-10842IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by a security bypass vulnerability
High 7.5
In plain English
A high-severity security flaw in WebSphere Application Server from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 45% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.5%top 55.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| IBM | WebSphere Application Server | 8.59.0 |
| IBM | WebSphere Application Server - Liberty | 17.0.0.3 – through 26.0.0.7 |
Weakness: CWE-289 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
References
- https://www.ibm.com/support/pages/node/7280131 vendor-advisory, patch