CVE Catalog

CVE-2026-18022

HighCVSS 8.8
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.34%

27th percentile - higher than 27% of all known CVEs

Summary

Vulnerability in pgvector before version 0.8.6 allows a database user to write data out-of-bounds when building an IVFFlat index, potentially leading to arbitrary code execution. Only 32-bit systems are affected.

Risk Assessment

Organizations using pgvector on 32-bit systems are at risk of privilege escalation and potential database takeover.

Recommendation

Update pgvector to version 0.8.6 or later.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS