https://cve.radiocsirt.org/rss/recent/all/10 Most recent entries from all 2026-10-07T15:48:52.390953+00:00 Vulnerability-Lookup csirt@opendfir.org python-feedgen Contains only the most 10 recent entries. https://cve.radiocsirt.org/vuln/euvd-2026-308961 EUVD-2026-308961 2026-10-07T15:48:52.444397+00:00 EUVD-2026-308961 https://cve.radiocsirt.org/vuln/fkie_cve-2026-41413 fkie_cve-2026-41413 2026-10-07T15:48:52.444433+00:00

Istio is an open platform to connect, manage, and secure microservices. Prior to versions 1.28.6 and 1.29.2, when a RequestAuthentication resource is created with a jwksUri pointing to an internal service, istiod makes an unauthenticated HTTP GET request to that URL without filtering out localhost or link local ips. This can result in sensitive data being distributed to Envoy proxies via xDS configuration. This issue has been patched in versions 1.28.6 and 1.29.2.

 https://cve.radiocsirt.org/vuln/ghsa-fgw5-hp8f-xfhc GHSA-fgw5-hp8f-xfhc — Istio: SSRF via RequestAuthentication jwksUri 2026-10-07T15:48:52.444468+00:00

Affected: Go: istio.io/istio

### Impact

When a RequestAuthentication resource is created with a jwksUri pointing to an internal service, istiod makes an unauthenticated HTTP GET request to that URL without filtering out localhost or link local ips. This can result in sensitive data being distributed to Envoy proxies via xDS configuration.

Note: a partial mitigation for this was released in 1.29.1, 128.5, and 1.27.8; however, it was incomplete and missed a few codepaths. 1.29.2 and 1.28.6 contain the more robust fix.

### Patches _Has the problem been patched? What versions should users upgrade to?_

### Workarounds

Users can deploy a `ValidatingAdmissionPolicy` to prevent the creation of `RequestAuthentication` resources with suspicious jwksUri field values (e.g. localhost, 127.0.0.0/8, 169.254.0.0/16, the ipv6 variants, etc.).

### References None