PT-2026-89742 · Strongswan+2 · Strongswan

CVE-2026-78135

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Published

2026-09-10

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Updated

2026-09-11

CVSS v3.1

5.6

Medium

VectorAV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
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.

Exploit

Fix

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Weakness Enumeration

Related Identifiers

CVE-2026-78135
OPENSUSE-SU-2026:11749-1

Affected Products

Strongswan