CVE-2026-16184

CRITICAL 9.8CVE-2026-16184 · Published 28/07/2026 · updated 23/10/2026

In short

CVE-2026-16184 is a CRITICAL (CVSS 9.8) vulnerability affecting websphere application server (ibm).
Chance of exploitation in the next 30 days (EPSS): 0.47%, higher than 41.0% of all vulnerabilities.
Fix: update to 8.5.5.31, 9.0.5.29 or later.

Package	Affected versions	Patched versions
websphere application server ibm	`≥ 8.5.0.0, < 8.5.5.31≥ 9.0.0.0, < 9.0.5.29`	`8.5.5.319.0.5.29`

IBM WebSphere Application Server 9.0, and 8.5 could allow a remote attacker to bypass authentication by sending a crafted unauthenticated request.

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Package

Affected versions

Patched versions

≥ 8.5.0.0, < 8.5.5.31≥ 9.0.0.0, < 9.0.5.29

8.5.5.319.0.5.29

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