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Permalink CVE-2026-26190

9.8 CRITICAL

CVSS version (CVSS): 3.1
Attack Vector (AV): Network (N)
Attack Complexity (AC): Low (L)
Privileges Required (PR): None (N)
User Interaction (UI): None (N)
Scope (S): Unchanged (U)
Confidentiality (C): High (H)
Integrity (I): High (H)
Availability (A): High (H)
Modified Attack Vector (MAV): Network (N)
Modified Attack Complexity (MAC): Low (L)
Modified Privileges Required (MPR): None (N)
Modified User Interaction (MUI): None (N)
Modified Confidentiality (MC): High (H)
Modified Scope (MS): Unchanged (U)
Modified Integrity (MI): High (H)
Modified Availability (MA): High (H)

updated 5 months, 1 week ago by @LeSuisse Activity log

Created suggestion 5 months, 1 week ago
@LeSuisse ignored
6 packages
- python312Packages.pymilvus
- python313Packages.pymilvus
- python314Packages.pymilvus
- python312Packages.llama-index-vector-stores-milvus
- python313Packages.llama-index-vector-stores-milvus
- pkgsRocm.python3Packages.llama-index-vector-stores-milvus
5 months, 1 week ago
@LeSuisse dismissed 5 months, 1 week ago

Milvus Allows Unauthenticated Access to Restful API on Metrics Port (9091) Leads to Critical System Compromise

Milvus is an open-source vector database built for generative AI applications. Prior to 2.5.27 and 2.6.10, Milvus exposes TCP port 9091 by default, which enables authentication bypasses. The /expr debug endpoint uses a weak, predictable default authentication token derived from etcd.rootPath (default: by-dev), enabling arbitrary expression evaluation. The full REST API (/api/v1/*) is registered on the metrics/management port without any authentication, allowing unauthenticated access to all business operations including data manipulation and credential management. This vulnerability is fixed in 2.5.27 and 2.6.10.