CVE-2018-1851

9.8 criticalEPSS 3.9%

Critical (9.8) in ibm websphere application server. EPSS 3.9% chance of exploitation in the next 30 days.

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

CVSS 3.0

9.8 critical

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 3.9% chance of exploitation in the next 30 days; higher than 90% of CVEs (scores of 2026-10-31)
CWE: CWE-502
Published: 2018-10-31
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

ibm:websphere_application_server

References

http://www.securityfocus.com/bid/105839
https://exchange.xforce.ibmcloud.com/vulnerabilities/150999
https://www.ibm.com/support/docview.wss?uid=ibm10735105
http://www.securityfocus.com/bid/105839
https://exchange.xforce.ibmcloud.com/vulnerabilities/150999

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