CVE-2026-14974: CWE-502 Deserialization of Untrusted Data in IBM WebSphere Application Server
CVE-2026-14974 is a high-severity vulnerability in IBM WebSphere Application Server versions 8.5 and 9.0 traditional. It involves unsafe deserialization of untrusted data, which could allow a remote attacker to execute arbitrary code without authentication. The vulnerability has a CVSS 3.1 base score of 8.1, indicating a significant risk. No official patch or remediation guidance is currently provided by the vendor. There are no known exploits in the wild at this time.
AI Analysis
Technical Summary
IBM WebSphere Application Server versions 8.5 and 9.0 traditional are affected by a deserialization vulnerability (CWE-502) that allows remote code execution. The flaw arises from unsafe deserialization of untrusted data, enabling an unauthenticated remote attacker to execute arbitrary code on the affected system. The vulnerability is tracked as CVE-2026-14974 with a CVSS 3.1 score of 8.1 (AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H). No vendor advisory or patch information is currently available, and the vulnerability is published but without a confirmed remediation level.
Potential Impact
Successful exploitation of this vulnerability could lead to remote code execution with high impact on confidentiality, integrity, and availability. An attacker could execute arbitrary code remotely without any privileges or user interaction, potentially compromising the affected system entirely.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, organizations should consider applying workarounds recommended by IBM once available and restrict network access to the affected WebSphere Application Server instances to trusted sources only.
CVE-2026-14974: CWE-502 Deserialization of Untrusted Data in IBM WebSphere Application Server
Description
CVE-2026-14974 is a high-severity vulnerability in IBM WebSphere Application Server versions 8.5 and 9.0 traditional. It involves unsafe deserialization of untrusted data, which could allow a remote attacker to execute arbitrary code without authentication. The vulnerability has a CVSS 3.1 base score of 8.1, indicating a significant risk. No official patch or remediation guidance is currently provided by the vendor. There are no known exploits in the wild at this time.
CVSS v3.1
Score 8.1high
Affected software
IBM
WebSphere Application Server
cpe:2.3:a:ibm:websphere_application_server:8.5:*:*:*:*:*:*:*cpe:2.3:a:ibm:websphere_application_server:8.5.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:websphere_application_server:9.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:websphere_application_server:9.0.0:*:*:*:*:*:*:*Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
IBM WebSphere Application Server versions 8.5 and 9.0 traditional are affected by a deserialization vulnerability (CWE-502) that allows remote code execution. The flaw arises from unsafe deserialization of untrusted data, enabling an unauthenticated remote attacker to execute arbitrary code on the affected system. The vulnerability is tracked as CVE-2026-14974 with a CVSS 3.1 score of 8.1 (AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H). No vendor advisory or patch information is currently available, and the vulnerability is published but without a confirmed remediation level.
Potential Impact
Successful exploitation of this vulnerability could lead to remote code execution with high impact on confidentiality, integrity, and availability. An attacker could execute arbitrary code remotely without any privileges or user interaction, potentially compromising the affected system entirely.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, organizations should consider applying workarounds recommended by IBM once available and restrict network access to the affected WebSphere Application Server instances to trusted sources only.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-07-07T16:45:50.888Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a6913179c2644c7f82b8b17
Added to database: 07/28/2026, 20:37:43 UTC
Last enriched: 08/05/2026, 14:45:55 UTC
Last updated: 09/10/2026, 20:00:58 UTC
Views: 59
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