{"id":"CVE-2025-32793","aliases":["BIT-cilium-2025-32793","BIT-cilium-operator-2025-32793","BIT-hubble-relay-2025-32793","EUVD-2025-12230","GHSA-5vxx-c285-pcq4","GO-2025-3635","openSUSE-SU-2025:15017-1"],"status":"published","title":"Cilium packets from terminating endpoints may not be encrypted in Wireguard-enabled clusters","description":"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.","severity":{"version":"3.1","score":4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00142,"percentile":0.03627,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-319","CWE-362"],"published":"2025-04-21T15:34:14Z","modified":"2026-10-28T02:30:22Z","fixes":[{"ecosystem":"Go","package":"github.com/cilium/cilium","fixed_in":["1.15.16","1.16.9","1.17.3"],"sources":["ghsa","osv"]},{"ecosystem":"Bitnami","package":"cilium","fixed_in":["1.17.3"],"sources":["osv"]},{"ecosystem":"Bitnami","package":"cilium-operator","fixed_in":["1.17.3"],"sources":["osv"]},{"ecosystem":"Bitnami","package":"hubble-relay","fixed_in":["1.17.3"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/cilium/cilium","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.13.0"},{"fixed":"1.15.16"}]}]},{"source":"ghsa","ecosystem":"Go","package":"github.com/cilium/cilium","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.16.0"},{"fixed":"1.16.9"}]}]},{"source":"ghsa","ecosystem":"Go","package":"github.com/cilium/cilium","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.17.0"},{"fixed":"1.17.3"}]}]},{"source":"osv","ecosystem":"Bitnami","package":"cilium","ranges":[{"type":"SEMVER","events":[{"introduced":"1.13.0"},{"fixed":"1.17.3"}]}]},{"source":"osv","ecosystem":"Bitnami","package":"cilium-operator","ranges":[{"type":"SEMVER","events":[{"introduced":"1.13.0"},{"fixed":"1.17.3"}]}]},{"source":"osv","ecosystem":"Bitnami","package":"hubble-relay","ranges":[{"type":"SEMVER","events":[{"introduced":"1.13.0"},{"fixed":"1.17.3"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/cilium/cilium","ranges":[{"type":"SEMVER","events":[{"introduced":"1.13.0"},{"fixed":"1.15.16"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/cilium/cilium","ranges":[{"type":"SEMVER","events":[{"introduced":"1.16.0"},{"fixed":"1.16.9"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/cilium/cilium","ranges":[{"type":"SEMVER","events":[{"introduced":"1.17.0"},{"fixed":"1.17.3"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/cilium/cilium","ranges":[{"type":"SEMVER","events":[{"introduced":"1.13.0"},{"fixed":"1.15.16"},{"introduced":"1.16.0"},{"fixed":"1.16.9"},{"introduced":"1.17.0"},{"fixed":"1.17.3"}]}]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"govulncheck-vulndb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.0.20250422T181640-1.1"}]}],"bundled":23}],"products":[{"vendor":"cilium","product":"cilium"}],"references":[{"url":"https://github.com/cilium/cilium/security/advisories/GHSA-5vxx-c285-pcq4","tags":["x_refsource_CONFIRM","Patch","Third Party Advisory","advisory","web"]},{"url":"https://github.com/cilium/cilium/pull/38592","tags":["x_refsource_MISC","Patch","fix","web"]},{"url":"https://github.com/cilium/cilium/commit/e8543eef05126e9ba8a845dc74e96f4e30f6dba9","tags":["web","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-32793","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-5vxx-c285-pcq4"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/32xxx/CVE-2025-32793.json","tags":["advisory"]},{"url":"https://github.com/cilium/cilium","tags":["package"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/XCF7AZBKQYAQXK32J6F54H6NREFBK2V7/","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2019-15119","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-1386","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-2424","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-24358","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-2475","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-24839","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-24866","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-2564","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-27538","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-27571","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-27936","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-30206","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-31363","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-32093","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-32431","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-32445","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-32793","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-32963","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-3801","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-43970","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-43971","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-43972","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-43973","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2025-32793","title":"Cilium packets from terminating endpoints may not be encrypted in Wireguard-enabled clusters","description":"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.","status":"published","published":"2025-04-21T15:34:14.315Z","modified":"2025-04-21T15:48:55.214Z","cvss":[{"version":"3.1","score":4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-319"],"updated_at":"2026-11-02T14:32:46.42892Z"}],"euvd":[{"id":"EUVD-2025-12230","description":"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.","status":"published","published":"2025-04-21T15:34:14Z","modified":"2025-04-21T15:48:55Z","cvss":[{"version":"3.1","score":4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T20:52:18.13258Z"}],"ghsa":[{"id":"GHSA-5vxx-c285-pcq4","title":"In Cilium, packets from terminating endpoints may not be encrypted in Wireguard-enabled clusters","description":"### Impact\n\nWhen using [Wireguard transparent encryption](https://docs.cilium.io/en/stable/security/network/encryption-wireguard/#encryption-wg) 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.\n\n### Patches\n\nThis issue has been patched in https://github.com/cilium/cilium/pull/38592.\n\nThis issue affects:\n\n- Cilium v1.15 between v1.15.0 and v1.15.15 inclusive\n- Cilium v1.16 between v1.16.0 and v1.16.8 inclusive\n- Cilium v1.17 between v1.17.0 and v1.17.2 inclusive\n\nThis issue is fixed in:\n\n- Cilium v1.15.16\n- Cilium v1.16.9\n- Cilium v1.17.3\n\n### Workarounds\n\nThere is no workaround to this issue.\n\n### Acknowledgements\n\nThe Cilium community has worked together with members of Isovalent to prepare these mitigations. Special thanks to @gandro  and @pippolo84 for reporting this issue and to @julianwiedmann for the patch.\n\n### For more information\n\nIf you think you have found a vulnerability affecting Cilium, we strongly encourage you to report it to our security mailing list at [security@cilium.io](mailto:security@cilium.io). This is a private mailing list for the Cilium security team, and your report will be treated as top priority.","status":"published","published":"2025-04-21T16:17:49Z","modified":"2025-04-23T14:41:21Z","cvss":[{"version":"3.1","score":4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-319","CWE-362"],"updated_at":"2026-11-02T14:38:40.628275Z"}],"nvd":[{"id":"CVE-2025-32793","description":"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.","status":"published","published":"2025-04-21T16:15:54.753Z","modified":"2026-06-17T09:12:34.977Z","cvss":[{"version":"3.1","score":4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-319","CWE-362"],"updated_at":"2026-11-02T14:11:01.507281Z"}],"osv":[{"id":"CVE-2025-32793","title":"Cilium packets from terminating endpoints may not be encrypted in Wireguard-enabled clusters","description":"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.","status":"published","published":"2025-04-21T15:34:14.315Z","modified":"2026-10-28T02:30:22.51380541Z","cvss":[{"version":"3.1","score":4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-319"],"updated_at":"2026-11-02T15:44:48.02508Z"},{"id":"GHSA-5vxx-c285-pcq4","title":"In Cilium, packets from terminating endpoints may not be encrypted in Wireguard-enabled clusters","description":"### Impact\n\nWhen using [Wireguard transparent encryption](https://docs.cilium.io/en/stable/security/network/encryption-wireguard/#encryption-wg) 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.\n\n### Patches\n\nThis issue has been patched in https://github.com/cilium/cilium/pull/38592.\n\nThis issue affects:\n\n- Cilium v1.15 between v1.15.0 and v1.15.15 inclusive\n- Cilium v1.16 between v1.16.0 and v1.16.8 inclusive\n- Cilium v1.17 between v1.17.0 and v1.17.2 inclusive\n\nThis issue is fixed in:\n\n- Cilium v1.15.16\n- Cilium v1.16.9\n- Cilium v1.17.3\n\n### Workarounds\n\nThere is no workaround to this issue.\n\n### Acknowledgements\n\nThe Cilium community has worked together with members of Isovalent to prepare these mitigations. Special thanks to @gandro  and @pippolo84 for reporting this issue and to @julianwiedmann for the patch.\n\n### For more information\n\nIf you think you have found a vulnerability affecting Cilium, we strongly encourage you to report it to our security mailing list at [security@cilium.io](mailto:security@cilium.io). This is a private mailing list for the Cilium security team, and your report will be treated as top priority.","status":"published","published":"2025-04-21T16:17:49Z","modified":"2026-09-10T03:50:23.531960272Z","cvss":[{"version":"3.1","score":4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-319","CWE-362"],"updated_at":"2026-11-02T15:46:38.911014Z"},{"id":"BIT-cilium-2025-32793","title":"Cilium packets from terminating endpoints may not be encrypted in Wireguard-enabled clusters","description":"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.","status":"published","published":"2025-04-23T08:52:41.427Z","modified":"2026-09-08T08:45:58.244086247Z","updated_at":"2026-11-02T15:28:28.70813Z"},{"id":"BIT-cilium-operator-2025-32793","title":"Cilium packets from terminating endpoints may not be encrypted in Wireguard-enabled clusters","description":"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.","status":"published","published":"2025-04-23T08:52:37.237Z","modified":"2026-09-08T08:45:55.307217435Z","updated_at":"2026-11-02T15:28:28.70813Z"},{"id":"BIT-hubble-relay-2025-32793","title":"Cilium packets from terminating endpoints may not be encrypted in Wireguard-enabled clusters","description":"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.","status":"published","published":"2025-04-23T08:57:51.915Z","modified":"2026-09-08T08:48:23.096172006Z","updated_at":"2026-11-02T15:28:31.02759Z"},{"id":"GO-2025-3635","title":"In Cilium, packets from terminating endpoints may not be encrypted in Wireguard-enabled clusters in github.com/cilium/cilium","description":"In Cilium, packets from terminating endpoints may not be encrypted in Wireguard-enabled clusters in github.com/cilium/cilium","status":"published","published":"2025-04-22T18:14:45Z","modified":"2026-02-04T02:52:20.037704Z","updated_at":"2026-11-02T15:47:01.728182Z"},{"id":"openSUSE-SU-2025:15017-1","title":"govulncheck-vulndb-0.0.20250422T181640-1.1 on GA media","description":"These are all security issues fixed in the govulncheck-vulndb-0.0.20250422T181640-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2025-04-23T00:00:00Z","modified":"2026-02-04T02:34:16.37387Z","updated_at":"2026-11-02T16:58:37.399567Z"}]}}