CVE-2026-14976: CWE-306 Missing Authentication for Critical Function in IBM WebSphere Application Server - Liberty
IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.8 is affected by remote code execution with the collectiveController-1.0 feature enabled.
AI Analysis
Technical Summary
A remote code execution vulnerability exists in IBM WebSphere Application Server - Liberty versions 17.0.0.3 through 26.0.0.8 when the collectiveController-1.0 feature is enabled. The vulnerability is identified as CVE-2026-14976 and is associated with improper access control (CWE-306). The CVSS 3.1 vector indicates the attack requires adjacent network access, high attack complexity, no privileges, and user interaction, with high impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation could allow an attacker to remotely execute arbitrary code on affected systems, potentially leading to full compromise of the application server, including unauthorized access, data disclosure, and disruption of service.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are currently provided. Until a patch is available, consider disabling the collectiveController-1.0 feature if feasible to reduce exposure.
CVE-2026-14976: CWE-306 Missing Authentication for Critical Function in IBM WebSphere Application Server - Liberty
Description
IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.8 is affected by remote code execution with the collectiveController-1.0 feature enabled.
CVSS v3.1
Score 7.1high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
A remote code execution vulnerability exists in IBM WebSphere Application Server - Liberty versions 17.0.0.3 through 26.0.0.8 when the collectiveController-1.0 feature is enabled. The vulnerability is identified as CVE-2026-14976 and is associated with improper access control (CWE-306). The CVSS 3.1 vector indicates the attack requires adjacent network access, high attack complexity, no privileges, and user interaction, with high impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation could allow an attacker to remotely execute arbitrary code on affected systems, potentially leading to full compromise of the application server, including unauthorized access, data disclosure, and disruption of service.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are currently provided. Until a patch is available, consider disabling the collectiveController-1.0 feature if feasible to reduce exposure.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-9c23-pjxh-grqq
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-14976"]
- Database Specific Severity
- HIGH
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a69402f9c2644c7f866a1c7
Added to database: 07/28/2026, 23:50:07 UTC
Last enriched: 07/29/2026, 12:22:53 UTC
Last updated: 09/12/2026, 10:01:29 UTC
Views: 67
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