All vulnerabilities

Servers and applications

CVE-2019-4279

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.

Severity
Critical 9.8
Published
17 May 2019
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
80% in the next 30 daysHigher than 99% of CVEs. EPSS by FIRST, 10 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
IBM WebSphere Application ServerServers and applications · cpe:a:ibm:websphere_application_server
  • Version 7.0.0.0
  • From 8.5.0.0 up to 8.5.5.15
  • From 9.0.0.0 up to 9.0.0.11

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2019-4279
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2019-4279