Vulnerability · Published Oct 13, 2026 · Assigned by ibm
CVE-2026-105443IBM WebSphere Application Server Liberty is affected by an improper access control
High 8.2
In plain English
A high-severity improper access control in WebSphere Application Server - Liberty from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities).
Severity (CVSS 3.1)8.2High
Exploit odds (30 days)0.2%top 86.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.10 has insufficient isolation between servers sharing an install.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| IBM | WebSphere Application Server - Liberty | 17.0.0.3 – through 26.0.0.10 |
Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N
References
- https://www.ibm.com/support/pages/node/7292226 vendor-advisory, patch