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TI-2019-03185 Aliases CVE-2019-4279GHSA-86jp-p2qr-pc2r

Deserialization of untrusted data in IBM WebSphere Application Server

Priority HIGH 82CWE-502Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-502.

Summary

IBM WebSphere Application Server 8.5 and 9.0 could allow a remote attacker to execute arbitrary code on the system with a specially-crafted sequence of serialized objects from untrusted sources. IBM X-Force ID: 160445.

Why it matters now

EPSS 0.79926 99th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
IBMWebSphere Application Server8.5; 9.0—No fix listedCNA
  • WebSphere Application Server VendorIBM Affected 8.5; 9.0 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:*8.5.0.0 – 8.5.5.15; 9.0.0.0 – 9.0.0.11VulnerableIBM
cpe:2.3:a:ibm:websphere_application_server:7.0.0.0:*:*:*:*:*:*:*7.0.0.0VulnerableIBM
  • cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:* Versions 8.5.0.0 – 8.5.5.15; 9.0.0.0 – 9.0.0.11 Vulnerable ·IBM
  • cpe:2.3:a:ibm:websphere_application_server:7.0.0.0:*:*:*:*:*:*:* Versions 7.0.0.0 Vulnerable ·IBM

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-4279
  2. 2026-10-03 Alias added: GHSA-86jp-p2qr-pc2r

References

  • TI-2015-06198 Serialized-object interfaces in certain IBM analytics, business solutions, cognitive, IT… KEVCVSS 3.1CRITICAL 9.8
  • TI-2010-00403 modules/arch/win32/mod_isapi.c in mod_isapi in the Apache HTTP Server 2.0.37 through… CVSS 2.0HIGH 10.0
  • TI-2020-03809 Deserialization of untrusted data in IBM WebSphere Application Server CVSS 3.1CRITICAL 9.8
  • TI-2025-24648 IBM WebSphere Application Server code execution CVSS 3.1CRITICAL 9.8
  • TI-2020-03807 Deserialization of untrusted data in IBM WebSphere Application Server CVSS 3.1CRITICAL 9.8
  • TI-2013-01564 The JMX Remoting functionality in Apache Geronimo 3.x before 3.0.1, as used in IBM… CVSS 2.0HIGH 10.0
See all 502 →

Sources