# CVE-2026-78133

## Summary

- **CVE ID:** CVE-2026-78133
- **Severity:** HIGH
- **CVSS Score:** 7.5 (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H)
- **CWE:** CWE-416
- **Published:** Sep 11, 2026
- **Last Modified:** Sep 11, 2026

## Description

libcharon in strongSwan 6.0.0 through 6.0.7 has a use-after-free in IKEv2 rekeying collision handling.

## Affected Products

- strongSwan — strongSwan (6.0.0)

## References

- [CNA](https://github.com/strongswan/strongswan/releases/tag/6.1.0)
- [CNA](https://www.strongswan.org/blog/2026/09/07/strongswan-vulnerability-(cve-2026-78133).html)

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._