High severity8.1NVD Advisory· Published Aug 12, 2026· Updated Aug 17, 2026
CVE-2026-18499
CVE-2026-18499
Description
IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.8 is vulnerable to a privilege escalation when using Liberty collectives.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:liberty:*:*:*Range: >=17.0.0.3,<26.0.0.9
- Range: 17.0.0.3 - 26.0.0.8
Patches
Vulnerability mechanics
References
1- www.ibm.com/support/pages/node/7283489nvdVendor Advisory
News mentions
1- IBM WebSphere Liberty: Critical Auth Bypass, Privilege Escalation, DoS Disclosed TogetherVypr Intelligence · Aug 13, 2026