{"id":"CVE-2026-78135","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.","modified":"2026-09-12T03:47:02.402564052Z","published":"2026-09-11T02:07:28.763Z","related":["openSUSE-SU-2026:11749-1"],"database_specific":{"cna_assigner":"mitre","cwe_ids":["CWE-841"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/78xxx/CVE-2026-78135.json"},"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"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/strongswan/strongswan","events":[{"introduced":"49ddfe91f0958555a39b1234424967de85b59276"},{"fixed":"b43f6bfeed34b4afc8a7eb0c0de38e6e70177847"}],"database_specific":{"extracted_events":[{"introduced":"5.9.7"},{"fixed":"6.1.0"}],"source":"AFFECTED_FIELD"}}],"versions":["6.1.0rc1","6.0.7","6.0.6","6.0.5","6.0.5dr1","6.0.4","6.0.4rc1","android-2.6.2","android-2.6.1","6.0.3","6.0.3rc1","android-2.6.0","6.0.3dr1","6.0.2","6.0.2rc1","6.0.2dr3","android-2.5.6","6.0.2dr2","6.0.2dr1","android-2.5.5","6.0.1","6.0.1rc1","android-2.5.4","android-2.5.3","6.0.0","6.0.0rc2","6.0.0rc1","android-2.5.2","5.9.14","5.9.14rc1","android-2.5.1","5.9.14dr1","android-2.5.0","5.9.13","5.9.13rc1","5.9.12","5.9.12rc1","5.9.12dr2","5.9.12dr1","android-2.4.2","5.9.11","5.9.11rc1","5.9.11dr3","5.9.11dr2","5.9.11dr1","5.9.10","5.9.10rc1","android-2.4.1-1","android-2.4.1","android-2.4.0","5.9.9","5.9.9rc2","5.9.9rc1","5.9.8","5.9.8rc1","5.9.8dr4","5.9.8dr3","5.9.8dr2","5.9.8dr1","5.9.7"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-78135.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L"}]}