{"id":"CVE-2025-32793","aliases":["BIT-cilium-2025-32793","BIT-cilium-operator-2025-32793","BIT-hubble-relay-2025-32793","GHSA-5vxx-c285-pcq4","GO-2025-3635"],"url":"https://o3.security/vulnerability/CVE-2025-32793","summary":"Cilium packets from terminating endpoints may not be encrypted in Wireguard-enabled clusters","details":"Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Versions 1.15.0 to 1.15.15, 1.16.0 to 1.16.8, and 1.17.0 to 1.17.2, are vulnerable when using Wireguard transparent encryption in a Cilium cluster, packets that originate from a terminating endpoint can leave the source node without encryption due to a race condition in how traffic is processed by Cilium. This issue has been patched in versions 1.15.16, 1.16.9, and 1.17.3. There are no workarounds available for this issue.","published":"2025-04-21T15:34:14.315Z","modified":"2026-08-08T03:48:13.438396353Z","cvss":{"score":4,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/cilium/cilium","fixedVersion":"1.15.16"},{"ecosystem":"Go","name":"github.com/cilium/cilium","fixedVersion":"1.16.9"},{"ecosystem":"Go","name":"github.com/cilium/cilium","fixedVersion":"1.17.3"}],"fix":{"url":"https://github.com/cilium/cilium/pull/38592","label":"cilium/cilium#38592"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/32xxx/CVE-2025-32793.json"},{"type":"ADVISORY","url":"https://github.com/cilium/cilium/security/advisories/GHSA-5vxx-c285-pcq4"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-32793"},{"type":"FIX","url":"https://github.com/cilium/cilium/pull/38592"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-08T03:48:13.438396353Z"}}