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.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00058.

Exploitation poc

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/milvus-io/milvus/issues/46442 cve-icon cve-icon
https://github.com/milvus-io/milvus/issues/46442#issue-3743414836 cve-icon cve-icon
https://github.com/milvus-io/milvus/issues/46442#issuecomment-3672197450 cve-icon cve-icon
https://github.com/milvus-io/milvus/milestone/139 cve-icon cve-icon
https://vuldb.com/?ctiid.339486 cve-icon cve-icon
https://vuldb.com/?id.339486 cve-icon cve-icon
https://vuldb.com/?submit.719061 cve-icon cve-icon
History

Tue, 06 Jan 2026 21:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Mon, 05 Jan 2026 10:45:00 +0000

Type Values Removed Values Added
First Time appeared Milvus
Milvus milvus
Vendors & Products Milvus
Milvus milvus

Mon, 05 Jan 2026 03:15:00 +0000

Type Values Removed Values Added
Description 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.
Title milvus HTTP Endpoint expr.go expr.Exec deserialization
Weaknesses CWE-20
CWE-502
References
Metrics cvssV2_0

{'score': 6.5, 'vector': 'AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:C'}

cvssV3_0

{'score': 6.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C'}

cvssV3_1

{'score': 6.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-01-06T19:03:43.133Z

Reserved: 2026-01-04T08:52:58.262Z

Link: CVE-2025-15453

cve-icon Vulnrichment

Updated: 2026-01-06T19:03:36.624Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-01-05T03:15:50.293

Modified: 2026-01-08T18:09:49.800

Link: CVE-2025-15453

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-01-05T10:13:21Z

Weaknesses