Milvus is an open-source vector database built for generative AI applications. An unauthenticated attacker can exploit a vulnerability in versions prior to 2.4.24, 2.5.21, and 2.6.5 to bypass all authentication mechanisms in the Milvus Proxy component, gaining full administrative access to the Milvus cluster. This grants the attacker the ability to read, modify, or delete data, and to perform privileged administrative operations such as database or collection management. This issue has been fixed in Milvus 2.4.24, 2.5.21, and 2.6.5. If immediate upgrade is not possible, a temporary mitigation can be applied by removing the sourceID header from all incoming requests at the gateway, API gateway, or load balancer level before they reach the Milvus Proxy. This prevents attackers from exploiting the authentication bypass behavior.
CVE-2025-64513
This critical-severity CVE scores 9.3 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 1.1%, top 39% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 9.3
- EG Score
- 9.3(medium)
- EG Risk
- 57(Track)EG Risk 57/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity93% × 45%Exploitation1% × 40%Automatability100% × 15%Action: Routine — remediate on your standard cadence. - EPSS
- 61.3%
- KEV
- Not listed
Published
November 10, 2025
Last Modified
June 17, 2026
Advisory Details (4)
Auto-updated Jul 17, 2026Critical Authentication Bypass Vulnerability in Milvus Proxy · Advisory · milvus-io/milvus · GitHub
https://github.com/milvus-io/milvus/security/advisories/GHSA-mhjq-8c7m-3f7penhance: [2.4] skip check source id
Fix merged in milvus-io/milvus PR #45391 on 2025-11-07 — awaiting tagged release
https://github.com/milvus-io/milvus/pull/45391enhance: [2.5] skip check source id
Fix merged in milvus-io/milvus PR #45383 on 2025-11-07 — awaiting tagged release
https://github.com/milvus-io/milvus/pull/45383enhance: [2.6] skip check source id
Fix merged in milvus-io/milvus PR #45379 on 2025-11-07 — awaiting tagged release
https://github.com/milvus-io/milvus/pull/45379Affected Packages
(1 across 1 ecosystem)
Go(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| github.com/milvus-io/milvus | — | 0.10.3-0.20251107071934-6102f001a971 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 12× in last 7d / 48× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 118 total refreshes for this CVE.
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Frequently asked(5)
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Dependency Blast Radius
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