CVE-2026-3621
HighCVSS 7.5Exploitation Probability (EPSS)
Low risk20th percentile - higher than 20% of all known CVEs
Summary
IBM WebSphere Application Server - Liberty versions 17.0.0.3 through 26.0.0.4 is vulnerable to identity spoofing under limited conditions when an application is deployed without authentication and authorization configured.
Risk Assessment
The organization may be exposed to unauthorized access to applications, potentially leading to data breaches or other serious security incidents.
Recommendation
It is recommended to configure appropriate authentication and authorization mechanisms for all applications deployed on IBM WebSphere Application Server - Liberty.
Other vulnerabilities in IBM WebSphere Application Server - Liberty
See all- CVE-2026-93909Critical
IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.10 is vulnerable by an authentication bypass vulnerability when samlWeb-2.0 feature is enabled.
- CVE-2026-93895Critical
IBM WebSphere Application Server - Liberty 20.0.0.12 through 26.0.0.10 could allow an unauthenticated remote attacker to bypass access controls configured on gRPC service methods.
- CVE-2026-14525Critical
IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.8 IBM WebSphere Application Server Liberty is vulnerable to an authentication bypass when the rtcomm-1.0 or rtcommGateway-1.0 feature is enabled.
- CVE-2026-95696Medium
IBM WebSphere Application Server - Liberty versions 20.0.0.12 through 26.0.0.10 could allow a remote attacker to cause a denial of service due to an uncaught exception. An attacker could exploit this to make the service unavailable.
- CVE-2026-95695High
IBM WebSphere Application Server - Liberty 20.0.0.12 through 26.0.0.10 could allow a remote attacker to bypass security restrictions due to incorrect authorization.
- CVE-2026-93905High
IBM WebSphere Application Server - Liberty versions 17.0.0.3 through 26.0.0.10 could allow an unauthenticated remote attacker to corrupt the persisted status of batch job instances. The vulnerability can be exploited without authentication, increasing the risk.
- CVE-2026-79715Medium
IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.9 could allow a local attacker to traverse directories on the system. An attacker could use a specially crafted application archive to write files outside the intended directory.
- CVE-2026-77816Medium
IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.9 administrative client could allow man-in-the-middle attacks. An attacker could exploit this vulnerability to obtain sensitive information.
- CVE-2026-14909Medium
IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.9 is affected by an information disclosure vulnerability that allows an authenticated attacker to obtain sensitive information when restConnector-2.0 is enabled.
- CVE-2026-14532Medium
IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.9 could allow a Reader-role attacker to obtain version information that causes an uncaught exception.
Original NVD description (English source)
IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.4 IBM WebSphere Application Server Liberty is vulnerable to identity spoofing under limited conditions when an application is deployed without authentication and authorization configured.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

