CVE-2025-15453 | THREATINT

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.

PUBLISHED Reserved 2026-01-04 | Published 2026-01-05 | Updated 2026-01-05 | Assigner VulDB

MEDIUM: 5.3CVSS: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

MEDIUM: 6.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C

MEDIUM: 6.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C

6.5AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:C

Problem types

Deserialization

Improper Input Validation

Timeline

2026-01-04:	Advisory disclosed
2026-01-04:	VulDB entry created
2026-01-04:	VulDB entry last update

Credits

0x1f (VulDB User) reporter

References

vuldb.com/?id.339486 (VDB-339486 | milvus HTTP Endpoint expr.go expr.Exec deserialization) vdb-entry technical-description

vuldb.com/?ctiid.339486 (VDB-339486 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.719061 (Submit #719061 | milvus-io milvus latest Not Safe Remote Expression Execution) third-party-advisory

github.com/milvus-io/milvus/issues/46442 issue-tracking

github.com/milvus-io/milvus/issues/46442 exploit issue-tracking

github.com/milvus-io/milvus/milestone/139 related

cve.org (CVE-2025-15453)

nvd.nist.gov (CVE-2025-15453)

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