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CVE-2026-26190

CRITICAL

9.8

Description

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.

Details CVE

Score CVSS v3.19.8

SeveriteCRITICAL

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie2/13/2026

Derniere modification2/18/2026

Sourcenvd

Observations honeypot0

Produits affectes

milvus:milvus

Faiblesses (CWE)

CWE-306

References

https://github.com/milvus-io/milvus/commit/92b74dd2e286006a83b4a5f07951027b32e718a9(security-advisories@github.com)

https://github.com/milvus-io/milvus/releases/tag/v2.5.27(security-advisories@github.com)

https://github.com/milvus-io/milvus/releases/tag/v2.6.10(security-advisories@github.com)

https://github.com/milvus-io/milvus/security/advisories/GHSA-7ppg-37fh-vcr6(security-advisories@github.com)

Correlations IOC

Aucune correlation enregistree

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