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Servers and applications

CVE-2018-1851

IBM WebSphere Application Server Liberty OpenID Connect could allow a remote attacker to execute arbitrary code on the system, caused by improper deserialization. By sending a specially-crafted request to the RP service, an attacker could exploit this vulnerability to execute arbitrary code. IBM X-Force ID: 150999.

Severity
Critical 9.8
Published
31 Oct 2018
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
18.0.0.3
Exploit chance
3.9% in the next 30 daysHigher than 90% 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
  • Every version before 18.0.0.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2018-1851
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2018-1851