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CVE-2026-8858

HIGH
7.5
CVSS 3.1
Description
IBM i 7.6, 7.5, 7.4, and 7.3, IBM WebSphere Application Server and IBM WebSphere Application Server Liberty are vulnerable to remote code execution and denial of service in the WebSphere Web Server Plug-in component. This vulnerability can be exploited when an attacker impersonates the application server and sends crafted responses to the plug-in.

Metadata

CVE ID
CVE-2026-8858
State
PUBLISHED
Assigner
ibm
Reserved
2026-05-18 18:06 UTC
Published
2026-06-22 14:16 UTC
Last updated
2026-06-22 14:19 UTC
Primary CWE
CWE-94
CWE-94 Improper Control of Generation of Code ('Code Injecti…
Vendor / Product
IBM / i
Sources
cve.org  ·  NVD

Severity & Metrics

7.5 HIGH CVSS 3.1
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products (1)
VendorProductPlatformVersions
IBM i — 7.6.0 ≤ 1.8.4, 7.5.0, 7.4.0, 7.3.0
Weakness (CWE)
CWESourceDescription
CWE-94 cna CWE-94 Improper Control of Generation of Code ('Code Injection')
CVSS scores (1)
ScoreSeverityVersionSourceVector
7.5 HIGH 3.1 cna CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
References (1)
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