HIGHVulnerability
Verified
Global

NVD HIGH: CVE-2026-116489 — Timescale pgvectorscale before 0.9.1 contains a type confusion vulnerability tha...

·Source: NIST NVD

Updated:

Executive Summary

Timescale pgvectorscale before 0.9.1 contains a type confusion vulnerability that allows low-privileged database users to corrupt memory by shadowing pgvector's vector type or operators. Attackers with CREATE privilege on the vectorscale schema can pre-create shadow objects, then build and query DiskANN indexes over crafted values to cause out-of-bounds reads and writes, disclosing memory, crashin

Analysis

Timescale pgvectorscale before 0.9.1 contains a type confusion vulnerability that allows low-privileged database users to corrupt memory by shadowing pgvector's vector type or operators. Attackers with CREATE privilege on the vectorscale schema can pre-create shadow objects, then build and query DiskANN indexes over crafted values to cause out-of-bounds reads and writes, disclosing memory, crashing the server, or escalating privileges. CVSS Score: 7.5. Published: 2026-10-26T16:17:18.690.

Indicators of Compromise (1)

CVE (1)
CVE-2026-116489
NVDMITRE CVE
Source Attribution

Originally published by NIST NVD on Oct 26, 2026. Verified by: NIST.

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