{"id":"CVE-2022-39388","aliases":["GHSA-6c6p-h79f-g6p4"],"url":"https://o3.security/vulnerability/CVE-2022-39388","summary":"Istio may allow identity impersonation if user has localhost access","details":"Istio is an open platform to connect, manage, and secure microservices. In versions on the 1.15.x branch prior to 1.15.3, a user can impersonate any workload identity within the service mesh if they have localhost access to the Istiod control plane. Version 1.15.3 contains a patch for this issue. There are no known workarounds.","published":"2022-11-10T00:00:00Z","modified":"2026-08-12T03:51:26.494938856Z","cvss":{"score":7.6,"severity":"HIGH","vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/istio/istio","fixedVersion":"1.15.3"}],"fix":{"url":"https://github.com/istio/istio/commit/346260e5115e9fbc65ba8a559bc686e6ca046a32","label":"istio/istio@346260e"},"references":[{"type":"WEB","url":"https://istio.io/latest/news/releases/1.15.x/announcing-1.15.3/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/39xxx/CVE-2022-39388.json"},{"type":"ADVISORY","url":"https://github.com/istio/istio/security/advisories/GHSA-6c6p-h79f-g6p4"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-39388"},{"type":"FIX","url":"https://github.com/istio/istio/commit/346260e5115e9fbc65ba8a559bc686e6ca046a32"},{"type":"FIX","url":"https://github.com/istio/istio/commit/9a643e270421560afb2630e00f76d46a55499df9"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:26.494938856Z"}}