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Istio 1.8

Support for Istio 1.8 ended on 12/05/2021. There are no more security updates for this branch.

End of support reached

Latest version: 1.8.6, released on 11/05/2021

End of support: 12/05/2021

12 known vulnerabilities open in 1.8.6

Vulnerabilities in Istio 1.8

14 vulnerabilities from the NVD affect at least one version of this branch. Last checked on 03/11/2026.

CVE-2026-111497, CVSS 4.0: 9.2, actively exploited: still open in 1.8.6
CVE-2023-44487, CVSS 3.1: 7.5, actively exploited: still open in 1.8.6
CVE-2022-31045, CVSS 3.1: 9.8: still open in 1.8.6
CVE-2021-34824, CVSS 3.1: 8.8: still open in 1.8.6
CVE-2026-31837, CVSS 4.0: 8.7: still open in 1.8.6
CVE-2026-41413, CVSS 3.1: 7.7: still open in 1.8.6
CVE-2022-39278, CVSS 3.1: 7.5: still open in 1.8.6
CVE-2022-24726, CVSS 3.1: 7.5: still open in 1.8.6
CVE-2022-23635, CVSS 3.1: 7.5: still open in 1.8.6
CVE-2021-39156, CVSS 3.1: 7.5: still open in 1.8.6
CVE-2021-39155, CVSS 3.1: 7.5: still open in 1.8.6
CVE-2026-31838, CVSS 4.0: 6.9: still open in 1.8.6
CVE-2021-31921, CVSS 3.1: 9.8: fixed in 1.8.6
CVE-2021-31920, CVSS 3.1: 6.5: fixed in 1.8.6

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