HIGH🇵🇱 Wersja polska

CVE-2026-31837

CVSS 8.7v4.0pub. 2026-03-10upd. 2026-07-20

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 1.27.8.

CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

  • Istio

    APP
    Istio
    < 1.27.81.28.0 – 1.28.5 (excl.)1.29.0 – 1.29.1 (excl.)
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CHECK WITH VENDOR
No clear patch data available. Check vendor references.
CWE
References

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