CVE-2026-18022

highCVSS 8.8covered by 1 sourcefirst seen 2026-07-29

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.

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Exploitation outlook

Low exploitation risk0.34% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 27% of all EPSS-scored CVEs.

Advisory coverage (1)

highCVE-2026-18022: Integer wraparound in IVFFlat index build in pgvector before 0.8.6 allows a database user to w…nvd · 2026-07-29

External references

NVD record for CVE-2026-18022

CVE.org record

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