CYBERSIXT Signal Over Noise
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Vulnerability intelligence

CVE-2026-9330

CWE-502

IBM WebSphere Application Server 9.0, and 8.5 is affected by an improper validation of user-supplied data during deserialization using the SAML Web Single Sign-On component. This could result in remote code execution via a crafted HTTP request when combined with a suitable gadget chain.

CVSS Score
8.5
High
EPSS — Exploit Probability
0.5%
Riskier than 39% 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