CVE-2026-31837 The advisory has been revoked - it doesn't affect any version of package openshift-service-mesh/pilot-rhel8 (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL8-OPENSHIFTSERVICEMESHPILOTRHEL8-15523734
- published13 Mar 2026
- disclosed10 Mar 2026
Introduced: 10 Mar 2026
CVE-2026-31837 (opens in a new tab)Amendment
The Red Hat security team deemed this advisory irrelevant for RHEL:8.
NVD Description
Note: Versions mentioned in the description apply only to the upstream openshift-service-mesh/pilot-rhel8 package and not the openshift-service-mesh/pilot-rhel8 package as distributed by RHEL.
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.