IBMCVE-2026-18499
IBM WebSphere Application Server - Liberty: privilege escalation
High8.1CVE-2026-18499 · Published Aug 12, 2026 · updated Aug 17, 2026
IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.8 is vulnerable to a privilege escalation when using Liberty collectives.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| WebSphere Application Server - Liberty Product | >= 17.0.0.3, <= 26.0.0.8 | No fix yet |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-285
More IBM advisories
All IBM| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Aug 12 | IBM DataPower Gateway: race condition | Medium4.2 | No fix yet |
| Aug 12 | IBM Db2: buffer overflow | High8.4 | No fix yet |
| Aug 12 | IBM i: denial of service | High8.2 | No fix yet |
| Aug 12 | IBM DOORS Next: improper authentication | Critical10.0 | No fix yet |
| Aug 12 | IBM Db2: improper authorization | Medium4.3 | No fix yet |
| Aug 12 | IBM i Access Client Solutions: code execution | High7.8 | No fix yet |