CVE-2026-78135
CVSS Score
5.6
EPSS Score
0.0%
EPSS Percentile
0th
libcharon in strongSwan 5.9.7 through 6.0.7 mishandles behavioral workflow in the IKEv2 state machine. Because CREATE_CHILD_SA requests are mishandled, there can be an authentication bypass.
| CWE | CWE-841 |
| Vendor | strongswan |
| Product | strongswan |
| Published | Sep 11, 2026 |
| Last Updated | Sep 15, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low
Affected Versions
strongSwan / strongSwan
5.9.7 < 6.1.0