CVE-2026-11897
HighCVSS 7.5Exploitation Probability (EPSS)
Low risk44th percentile - higher than 44% of all known CVEs
Summary
IBM WebSphere Application Server Liberty is vulnerable to a denial of service (DoS) attack via a specially crafted request that causes excessive memory consumption.
Risk Assessment
A remote attacker can exhaust server memory, leading to service unavailability and potential application downtime.
Recommendation
Upgrade IBM WebSphere Application Server Liberty to a patched version or implement rate limiting and request filtering.
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 26.0.0.7 is vulnerable to a denial of service, caused by sending a specially crafted request. A remote attacker could exploit this vulnerability to cause the server to consume memory resources.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS