CVE-2026-18022
8.8
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
Integer wraparound in IVFFlat index build in pgvector before 0.8.6 allows a database user to write data out-of-bounds, which could lead to arbitrary code execution. Only 32-bit systems are affected.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| n/a | pgvector | 0 < 0.8.6 | affected |
Weaknesses
- CWE-190: Integer Overflow or Wraparound
- CWE-787: Out-of-bounds Write
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: total
References
- https://github.com/pgvector/pgvector/issues/1006
- https://github.com/pgvector/pgvector/commit/636a92a3395d2e036ffd40d07aeb400a708ae104
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