CVE-2026-78135
Medium
Description
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.
SeverityMedium
CVSS5.6
Exploit probability—
ProductStrongswan
PublishedSep 11, 2026
First seenSep 11, 2026
Weakness typeCWE-841CWE-841
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| strongswan strongswan | 5.9.7 ≤ v ≤ 6.0.7 | — |
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