CVE-2026-78135

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Source
https://cve.org/CVERecord?id=CVE-2026-78135
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-78135.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-78135
Downstream
Related
Published
2026-09-11T02:07:28Z
Modified
2026-09-12T03:47:02Z
Severity
  • 5.6 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L CVSS Calculator
Summary
[none]
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.

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

Affected packages

Git / github.com/strongswan/strongswan

Affected ranges

Type
GIT
Repo
https://github.com/strongswan/strongswan
Events
Introduced
49ddfe91f0958555a39b1234424967de85b59276
Fixed
b43f6bfeed34b4afc8a7eb0c0de38e6e70177847
Database specific
Show details 
{
    "extracted_events": [
        {
            "introduced": "5.9.7"
        },
        {
            "fixed": "6.1.0"
        }
    ],
    "source": "AFFECTED_FIELD"
}

Affected versions

5.*
5.9.10
5.9.10rc1
5.9.11
5.9.11dr1
5.9.11dr2
5.9.11dr3
5.9.11rc1
5.9.12
5.9.12dr1
5.9.12dr2
5.9.12rc1
5.9.13
5.9.13rc1
5.9.14
5.9.14dr1
5.9.14rc1
5.9.7
5.9.8
5.9.8dr1
5.9.8dr2
5.9.8dr3
5.9.8dr4
5.9.8rc1
5.9.9
5.9.9rc1
5.9.9rc2
6.*
6.0.0
6.0.0rc1
6.0.0rc2
6.0.1
6.0.1rc1
6.0.2
6.0.2dr1
6.0.2dr2
6.0.2dr3
6.0.2rc1
6.0.3
6.0.3dr1
6.0.3rc1
6.0.4
6.0.4rc1
6.0.5
6.0.5dr1
6.0.6
6.0.7
6.1.0rc1
android-2.*
android-2.4.0
android-2.4.1
android-2.4.1-1
android-2.4.2
android-2.5.0
android-2.5.1
android-2.5.2
android-2.5.3
android-2.5.4
android-2.5.5
android-2.5.6
android-2.6.0
android-2.6.1
android-2.6.2

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-78135.json"