What’s Vulnerable › Vulnerabilities

CVE-2025-15453: milvus HTTP Endpoint expr.go expr.Exec deserialization

• Severity: medium (CVSS 6.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-01-05 · updated 2026-10-14
• Weakness: CWE-20

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.

Affected products

• milvus: 2.6.0, 2.6.1, 2.6.2, 2.6.3, 2.6.4, 2.6.5 (+2)

References

• https://github.com/milvus-io/milvus/issues/46442
• https://github.com/milvus-io/milvus/issues/46442#issue-3743414836
• https://github.com/milvus-io/milvus/issues/46442#issuecomment-3672197450
• https://github.com/milvus-io/milvus/milestone/139
• https://vuldb.com/?ctiid.339486
• https://vuldb.com/?id.339486
• https://vuldb.com/?submit.719061

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