CVE-2026-77816
IBM WebSphere Application Server Liberty Improper Certificate Validation
CVSS Score
6.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-295 |
| Vendor | ibm |
| Product | websphere application server - liberty |
| Published | Oct 13, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
Low
Availability
None
Affected Versions
IBM / WebSphere Application Server - Liberty
17.0.0.3 ≤ 26.0.0.9