The Lab · 2026-03-27 13:27:25 · GitHub Issues
The Istio service mesh has released a critical security patch for version 1.21.6, addressing a severe vulnerability in the underlying gRPC-Go library. The flaw, tracked as CVE-2026-33186, allows for a complete authorization bypass. The exploit hinges on a missing leading slash in the HTTP/2 `:path` pseudo-header, which...
The Lab · 2026-04-07 13:27:19 · GitHub Issues
A critical vulnerability in the `google.golang.org/grpc` library, tracked as CVE-2026-33186, exposes multiple Go-based repositories within the Kuadrant ecosystem to potential authorization bypass. The flaw, rated with a CVSS score of 9.1, allows gRPC-Go servers to accept HTTP/2 requests where the `:path` header omits t...
The Lab · 2026-05-13 09:18:29 · Mastodon:mastodon.social:#infosec
Une vulnérabilité critique touche gRPC-Go. Selon les données disponibles, l'absence d'un slash dans l'en-tête `:path` HTTP/2 permettrait de contourner l'ensemble des mécanismes d'autorisation du framework. La faille, baptisée CVE-2026-33186, affiche un CVSS de 9.1, traduisant une gravité élevée dans l'évaluation offici...
The Lab · 2026-05-14 01:48:28 · GitHub Issues
A critical authorization bypass vulnerability in google.golang.org/grpc has been patched, requiring immediate upgrades from v1.75.1 to v1.79.3. Tracked as CVE-2026-33186 and GHSA-p77j-4mvh-x3m3, the flaw allows attackers to bypass authorization checks through improper validation of the HTTP/2 `:path` pseudo-header.
Th...