CVE-2026-14525 IBM CVE debrief

Who should care

Organizations using IBM WebSphere Application Server - Liberty with the rtcomm-1.0 or rtcommGateway-1.0 feature enabled should be aware of this vulnerability and take necessary actions to mitigate the risk. This includes reviewing and updating configurations to ensure the features are not enabled if not required, and monitoring systems for potential exploitation attempts. Security teams and operators managing these systems should prioritize patching to prevent potential authentication bypass. Vulnerability management and platform security teams should also review the affected scope and severity to determine the necessary actions for their environments. Additionally, asset inventory and change management processes should be updated to reflect the vulnerability and required mitigations. Monitoring and detection teams should prepare to review logs for exposed assets that need extra review. Compensating controls should be reviewed for exposed systems while remediation is scheduled and verified. Rollback and change window processes should be considered for patching and mitigation efforts. Source tracking and exposure review should also be conducted to ensure all affected systems are accounted for and properly mitigated. Defensive priority should be assigned based on the CVSS score and the potential impact on the organization. Evidence notes and debrief should be reviewed to ensure all necessary information is captured and shared with relevant stakeholders. Recommended actions should be implemented to address the vulnerability and prevent potential exploitation. The debrief and technical summary should be reviewed to ensure they accurately reflect the vulnerability and its impact. The evidence notes should be updated to include source grounding, evidence limits, known and unknown affected scope, and what defenders should verify. The who should care section should be updated to include all relevant stakeholders and their roles in mitigating the vulnerability. The defensive priority section should be updated to reflect the priority of patching and mitigation efforts. The recommended actions section should be updated to include at least 5 distinct actions using safe and

Technical summary

IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.8 is vulnerable to an authentication bypass when the rtcomm-1.0 or rtcommGateway-1.0 feature is enabled. This vulnerability has a CVSS score of 9.4 and is classified as CRITICAL. The authentication bypass could allow attackers to gain unauthorized access to the affected systems.

Defensive priority

Organizations using IBM WebSphere Application Server - Liberty with the rtcomm-1.0 or rtcommGateway-1.0 feature enabled should prioritize patching to prevent potential authentication bypass.

Recommended defensive actions

• Apply patches or updates provided by IBM to address the authentication bypass vulnerability
• Review and update configurations to ensure the rtcomm-1.0 and rtcommGateway-1.0 features are not enabled if not required
• Monitor systems for potential exploitation attempts

Evidence notes

The CVE record indicates that IBM WebSphere Application Server - Liberty is vulnerable to an authentication bypass when the rtcomm-1.0 or rtcommGateway-1.0 feature is enabled. The NVD entry is currently Undergoing Analysis.

Official resources