fix cross-namespace access in statusgen xds debug endpoints

F-ISTIO-XDS-DEBUG-001

Public snapshot: 26 Sep 2026. Status, releases and attribution belong to each source below; none is inferred from another record.

Recorded evidence

—score not recorded

istio/istio #59970Reported fixistio/istio

fix cross-namespace access in statusgen xds debug endpoints

fixed publicly with release-note credit

details

Finding IDs: F-ISTIO-XDS-DEBUG-001
Status: fixed publicly with release-note credit
Reported via: security contact (email)
Note: follow-up to CVE-2026-31838 / GHSA-974c-2wxh-g4ww; PR #59970 merged on 2026-04-23 and backports #59973, #59974, and #59975 for releases 1.28, 1.29, and 1.30 also merged. fixed in Istio 1.28.7, 1.29.3, and 1.30.0. release notes credit 1seal for the StatusGen XDS debug endpoint same-namespace authorization fix.

F-ISTIO-XDS-DEBUG-001: Access control. Debug access must be scoped to the caller's namespace. Reviewed 24 Sep 2026. Mechanism assessed by 1seal.

Mechanism source for F-ISTIO-XDS-DEBUG-001

Security area (1seal assessment): Authorization. Debug access must be scoped to the caller's namespace. Reviewed 24 Sep 2026.

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