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.
Metrics
Affected Vendors & Products
References
History
Wed, 11 Mar 2026 16:15:00 +0000
| Type | Values Removed | Values Added |
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| Metrics |
ssvc
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Wed, 11 Mar 2026 12:00:00 +0000
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| First Time appeared |
Istio
Istio istio |
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| Vendors & Products |
Istio
Istio istio |
Tue, 10 Mar 2026 22:15:00 +0000
| Type | Values Removed | Values Added |
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| Description | 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. | |
| Title | Istio JWKS resolver to prevent private key material from being exposed when JWKS fetch fails. | |
| Weaknesses | CWE-200 | |
| References |
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| Metrics |
cvssV4_0
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Status: PUBLISHED
Assigner: GitHub_M
Published: 2026-03-10T21:57:44.387Z
Updated: 2026-03-11T15:58:29.647Z
Reserved: 2026-03-09T17:41:56.078Z
Link: CVE-2026-31837
Updated: 2026-03-11T15:53:26.857Z
Status : Awaiting Analysis
Published: 2026-03-10T22:16:21.720
Modified: 2026-03-11T13:52:47.683
Link: CVE-2026-31837
No data.
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