---
id: CVE-2025-15453
title: A security vulnerability has been detected in milvus up to 2.6.7
summary: >-
  A security vulnerability has been detected in milvus up to 2.6.7. This
  vulnerability affects the function expr.Exec of the file pkg/util/expr/expr.go
  of the component HTTP Endpoint. The manipulation of the argument code leads to
  deserial…
severity: medium
cvss: 6.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L'
cwe:
  - CWE-20
  - CWE-502
published: '2026-01-05'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T19:10:00.297'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-15453'
references:
  - url: 'https://github.com/milvus-io/milvus/issues/46442'
    label: cna@vuldb.com
  - url: 'https://github.com/milvus-io/milvus/issues/46442#issue-3743414836'
    label: cna@vuldb.com
  - url: 'https://github.com/milvus-io/milvus/issues/46442#issuecomment-3672197450'
    label: cna@vuldb.com
  - url: 'https://github.com/milvus-io/milvus/milestone/139'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?ctiid.339486'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?id.339486'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?submit.719061'
    label: cna@vuldb.com
tags:
  - nvd
epss: 0.00351
epssPercentile: 0.27052
ingestedAt: '2026-10-14T19:49:57.549Z'
---

## Overview

A security vulnerability has been detected in milvus up to 2.6.7. This vulnerability affects the function expr.Exec of the file pkg/util/expr/expr.go of the component HTTP Endpoint. The manipulation of the argument code leads to deserialization. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used. A fix is planned for the next release 2.6.8.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.