Login Request a demo
Medium severity · published Aug 13, 2026
CVE-2026-10571
IBM WebSphere Application Server Liberty is affected by a denial of service
5.3
CVSS
0.6%
EPSS
No
On KEV
Description
IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.8 is affected by a denial of service caused by insecure deserialization. A low-privileged, administrative user could exploit this vulnerability to consume system resources when the restConnector-2.0 feature is enabled.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 48% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WA
WebSphere Application Server - Liberty · IBM
17.0.0.3 through 26.0.0.8 · source: vendor
WA
Websphere Application Server · Ibm
17.0.0.3 before 26.0.0.9 · source: NVD
Affected product
WA
WebSphere Application Server - Liberty
IBM
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-10571
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-10571
Vendor Advisory
https://www.ibm.com/support/pages/node/7283485
More from WebSphere Application Server - Liberty
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-2026-14976
IBM WebSphere Application Server Liberty is affected by a remote code execution and path-segment injection vulnerability
9.8
CVE-2026-11546
IBM WebSphere Application Server Liberty is affected by a server-side request forgery vulnerability
9.8
CVE-2026-11714
IBM WebSphere Application Server Liberty is affected by an authorization bypass vulnerability