CVE-2026-103484
pgvector buffer overflow in IVFFlat index build
CVSS Score
8.8
EPSS Score
0.0%
EPSS Percentile
0th
IVFFlat index build in pgvector before 0.8.7 allows a database user to write data out-of-bounds, which can lead to arbitrary code execution.
| CWE | CWE-787 CWE-1284 |
| Vendor | n/a |
| Product | pgvector |
| Published | Oct 1, 2026 |
| Last Updated | Oct 1, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
n/a / pgvector
0 < 0.8.7
References
Credits
Thanks to Emanuele Barbeno, Cyrill Bannwart, Urs Mueller, and Lukasz D of Compass Security for reporting this.