{"id":"CVE-2026-78135","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-78135","summary":null,"details":"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.","published":"2026-09-11T02:07:28.763Z","modified":"2026-09-16T03:30:55.918001394Z","cvss":{"score":5.6,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://github.com/strongswan/strongswan/releases/tag/6.1.0"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/78xxx/CVE-2026-78135.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-78135"},{"type":"ARTICLE","url":"https://www.strongswan.org/blog/2026/09/07/strongswan-vulnerability-(cve-2026-78135).html"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-16T03:30:55.918001394Z"}}