CVE-2026-3172 (GCVE-0-2026-3172)
Vulnerability from cvelistv5 – Published: 2026-02-25 20:59 – Updated: 2026-02-26 15:04
VLAI?
Title
pgvector buffer overflow in parallel HNSW index build
Summary
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.
Severity ?
8.1 (High)
Assigner
References
Impacted products
Credits
Thanks to chungkn from OneMount Group for reporting this.
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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