CVE-2026-9327Network attack vector

Security configuration modification by low-privilege administrators

Published Sep 10, 2026 · Updated Sep 10, 2026

Improper privilege management in IBM WebSphere Application Server 8.5 and 9.0 allows remote authenticated users to alter security settings. IBM has not published the affected code locus or the improper authorization operation that permits the configuration change. A low-privilege administrative role is required, and the change can interrupt service; IBM separately reports information disclosure without identifying exposed data.

CVSS severity6.3
Medium
EPSS probability0.21%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Improper privilege management in IBM WebSphere Application Server 8.5 and 9.0 allows remote authenticated users to alter security settings. IBM has not published the affected code locus or the improper authorization operation that permits the configuration change. A low-privilege administrative role is required, and the change can interrupt service; IBM separately reports information disclosure without identifying exposed data.

The record

CVE
CVE-2026-9327
Published
Sep 10, 2026
Updated
Sep 10, 2026
Vendor
IBM
Product
IBM WebSphere Application Server
Classifications
CWE-269
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 10, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 10, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=8.5
  2. Affected versionversion=9.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

IBM · IBM WebSphere Application Serverversion=8.5; version=9.0

Published CVSS scores

6.3IBMCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-269Improper Privilege Management

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo