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THREAT OPS › Threat News › [NVD] CVE-2026-31837 (HIGH 7.5) — Istio is an open platform to connect, manage, and secure microservices. Prior to 1.29.1, 1.28.5, and 1.27.8, a user of Istio is impacted if the JWKS resolver becomes unavailable or the fetch fails, exposing hardcoded defaults regardless of use of the RequestAuthentication resourc

[NVD] CVE-2026-31837 (HIGH 7.5) — Istio is an open platform to connect, manage, and secure microservices. Prior to 1.29.1, 1.28.5, and 1.27.8, a user of Istio is impacted if the JWKS resolver becomes unavailable or the fetch fails, exposing hardcoded defaults regardless of use of the RequestAuthentication resourc

lownvdPublished 2026-03-10

CVE-2026-31837 CVSS: 7.5 HIGH Published: 2026-03-10T22:16:21.720

Istio is an open platform to connect, manage, and secure microservices. Prior to 1.29.1, 1.28.5, and 1.27.8, a user of Istio is impacted if the JWKS resolver becomes unavailable or the fetch fails, exposing hardcoded defaults regardless of use of the RequestAuthentication resource. This vulnerability is fixed in 1.29.1, 1.28.5, and

Indicators of compromise

CVE-2026-31837cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-31837