Vulnerability intelligence

CVE-2026-9319

IBM WebSphere Application Server 9.0, and 8.5 is vulnerable to potential remote code execution due to deserialization of untrusted data via JAX-WS endpoints with WS-Security.

CVSS Score

Critical

EPSS — Exploit Probability

0.5%

Riskier than 37% of all CVEs

Exploitation

Not in CISA KEV

No federal exploitation record

Remediation

Patch available

Vendor fix published

NVD entry Vendor patch PoC / advisory

1 article across 1 outlet · first covered Jun 5, 2026 · latest Jun 5, 2026

Coverage timeline

IBM WebSphere bugs risk remote code execution, patch now
securityonline.info · Jun 5, 2026