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CVE-2026-58253 NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system

Description

NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Prior to 2.14.0, 2.12.7, and 2.11.16, when no_auth_user was configured, a parser fast path intended for ordinary client connections could also apply to route or leafnode listeners, allowing an unauthenticated peer to bypass inter-server CONNECT authentication and operate with the privileges associated with that connection type. This issue is fixed in versions 2.14.0, 2.12.7, and 2.11.16.

Produits et versions touchés

Produit Versions touchées Corrigé en
nats-server 2.12 2.12.0-preview.1 → < 2.12.6 2.12.6
nats-server 2.11 premières → < 2.11.16 2.11.16

Références

Chronologie

  1. Publiée
  2. Dernière modification

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