CVE-2026-9319Critical· 9.0▾ MidnightIBM 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.
▾ Midnight zone — Critical, or high with PoC / in-the-wild
impact 49.5 · likelihood 0.1 · exploitation 0
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Exploit-prediction probability, daily snapshots since Jul 23.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
0.5%
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.
websphere_application_server >= 8.5.0.0, < 8.5.5.30websphere_application_server >= 9.0.0.0, < 9.0.5.29Upgrade past the affected range:
websphere_application_server 9.0.5.29Connected by shared product, vendor, weakness, or advisory.
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