CVE-2026-3172
HIGH
2026-02-25
f86ef6dc-4d3a-42ad-8f28-e6d5547a5007
8.1
CVSS 3.1
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CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
High
Lifecycle Timeline
2
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
CVE Published
Feb 25, 2026 - 21:16 nvd
HIGH 8.1
Description
Buffer overflow in parallel HNSW index build in pgvector 0.6.0 through 0.8.1 allows a database user to leak sensitive data from other relations or crash the database server.
Analysis
Buffer overflow in parallel HNSW index build in pgvector 0.6.0 versions up to 0.8.1 is affected by integer underflow (CVSS 8.1).
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Remediation
Within 24 hours: Inventory all pgvector deployments and versions; isolate affected systems from untrusted networks where possible. Within 7 days: Implement network segmentation to restrict database access; disable HNSW parallel index building if operationally feasible; apply compensating controls listed below. …
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Priority Score
41
Low
Medium
High
Critical
KEV: 0
EPSS: +0.0
CVSS: +40
POC: 0
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External POC / Exploit Code
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Destination URL
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