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CVE-2026-16184IBM WebSphere Application Server is affected by an authentication bypass

IBM WebSphere Application Server 9.0, and 8.5 could allow a remote attacker to bypass authentication by sending a crafted unauthenticated request.

9.8 CRITICALEPSS 0.47%Not in KEVNVD: Analyzed

Last updated: 2026-10-23 23:10 UTC

OverviewCVSS details

9.8CRITICALCVSS 3.1

Score source: NVD
NVD status: Analyzed
Published: Jul 28, 2026
Assigner: ibm

Affected

WebSphere Application Server (IBM)

Versions: 9.0 · 8.5

Exploitation

Public exploit: None listed
CISA KEV: Not listed
KEV due date: —
SSVC: Exploitation none · Automatable no · Impact partial

EPSS · FIRST, scored Nov 8

0.47%chance of exploitation in 30 days

Higher than 41.23% of CVEs

CVSS 3.1 · NVD

9.8Critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

CVSS 3.1 · ibm (CNA)

7.0High

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H

Attack vector: Network
Attack complexity: High
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality impact: Low
Integrity impact: Low
Availability impact: High

NVD status: Analyzed

Overview Affected Products References

Overview

Severity

Score	Severity	Version	Vector String
9.8	CRITICAL	3.1NVD	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.0	HIGH	3.1ibm (CNA)	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H

Details

CVE ID: CVE-2026-16184
Status: Analyzed
Assigner (CNA): ibm
Published: Jul 28, 2026
Last modified: 2026-10-23 23:10 UTC
Weaknesses: CWE-862 · Missing Authorization

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-09 09:16 UTC.