Medium severity · published Sep 30, 2019
CVE-2019-4304
IBM WebSphere Application Server - Liberty could allow a remote attacker to bypass security restrictions caused by improper session validation
6.3
CVSS
1%
EPSS
No
On KEV
Description
IBM WebSphere Application Server - Liberty could allow a remote attacker to bypass security restrictions caused by improper session validation. IBM X-Force ID: 160950.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 63% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WA
Websphere Application Server · Ibm
before 19.0.0.10 · source: NVD
Affected product
WA
Websphere Application Server
Ibm
More from Websphere Application Server
9.8
CVE-2015-7450
IBM WebSphere Application Server and Server Hypervisor Edition Code Injection.
9.8
CVE-2026-8400
Multiple Vulnerabilities in IBM® Java SDK affect IBM WebSphere Application Server and WebSphere Application Server Liberty due to the July 2026 CPU
9.8
CVE-2026-14529
IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by a server-side request forgery
9.8
CVE-2026-14446
IBM WebSphere Application Server is affected by a privilege escalation
9.8
CVE-2026-14512
IBM WebSphere Application Server is affected by an unsafe deserialization and exposure of sensitive information