CVE-2026-116489
HIGH
7,7
Source: [email protected]
Attack Vector: network
Attack Complexity: high
Privileges Required: low
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A
HIGH
7,5
Source: [email protected]
Attack Vector: network
Attack Complexity: high
Privileges Required: low
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Description
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.
843
Access of Resource Using Incompatible Type ('Type Confusion')
IncompleteCommon Consequences
Security Scopes Affected:
Availability
Integrity
Confidentiality
Potential Impacts:
Read Memory
Modify Memory
Execute Unauthorized Code Or Commands
Dos: Crash, Exit, Or Restart
Applicable Platforms
Languages:
C, C++
https://github.com/timescale/pgvectorscale
https://github.com/timescale/pgvectorscale/blob/0.9.0/pgvectorscale/src/access_…
https://github.com/timescale/pgvectorscale/blob/0.9.0/pgvectorscale/src/access_…
https://github.com/timescale/pgvectorscale/blob/0.9.0/pgvectorscale/src/access_…
https://github.com/timescale/pgvectorscale/commit/1c7cb1cab919ac122f901f163a71f…
https://github.com/timescale/pgvectorscale/commit/59d2f573dbd7a1446728ac547576d…
https://github.com/timescale/pgvectorscale/commit/f42f8cf29c92111add863ccf3255b…
https://github.com/timescale/pgvectorscale/pull/280
https://github.com/timescale/pgvectorscale/releases/tag/0.9.1
https://www.vulncheck.com/advisories/timescale-pgvectorscale-before-0.9.1-type-…