Medium severity · published Oct 13, 2026
CVE-2026-11713
IBM WebSphere Application Server Liberty Incorrect Authorization
5.4
CVSS
0.2%
EPSS
No
On KEV
Description
IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.9 is affected by a privilege escalation vulnerability with the restConnector-2.0 feature enabled.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 8% 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 26.0.0.9 · source: vendor
Affected product
WA
WebSphere Application Server - Liberty
IBM
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-11713
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-11713
vendor-advisory
https://www.ibm.com/support/pages/node/7291394
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