CVE-2026-9330 (GCVE-0-2026-9330)
Vulnerability from cvelistv5 – Published: 2026-06-01 18:01 – Updated: 2026-06-02 03:56
VLAI
EPSS
VEX
Title
IBM WebSphere Application Server is affected by remote code execution
Summary
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.
Severity
8.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-01 00:00 UTC
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.ibm.com/support/pages/node/7274733 | vendor-advisorypatch |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| IBM | WebSphere Application Server |
Affected:
9.0 , ≤ 1.1.9.12
(semver)
Affected: 8.5 cpe:2.3:a:ibm:websphere_application_server:9.0:*:*:*:*:*:*:* cpe:2.3:a:ibm:websphere_application_server:9.0.0:*:*:*:*:*:*:* cpe:2.3:a:ibm:websphere_application_server:8.5:*:*:*:*:*:*:* cpe:2.3:a:ibm:websphere_application_server:8.5.0:*:*:*:*:*:*:* |
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Nomenclature
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The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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