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Vulnerability record · CVE-2026-29089 · published 6 March 2026

CVE-2026-29089: Timescaledb untrusted search path vulnerability

Timescale · Timescaledb

TimescaleDB is a time-series database for high-performance real-time analytics packaged as a Postgres extension. From version 2.23.0 to 2.25.1, PostgreSQL uses the search_path setting to locate unqualified database objects (tables, functions, operators). If the search_path includes user-writable schemas a malicious user can create functions in that schema that shadow builtin postgres functions and will be called instead of the postgres functions leading to arbitrary code execution during extension upgrade. This issue has been patched in version 2.25.2.

8.8 CVSS 3.1 High EPSS 0.19% · top 92.2% CWE-426 · Untrusted search path
8.8CVSS 3.1 base score
0.19%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

TimescaleDB is a time-series database for high-performance real-time analytics packaged as a Postgres extension. From version 2.23.0 to 2.25.1, PostgreSQL uses the search_path setting to locate unqualified database objects (tables, functions, operators). If the search_path includes user-writable schemas a malicious user can create functions in that schema that shadow builtin postgres functions and will be called instead of the postgres functions leading to arbitrary code execution during extension upgrade. This issue has been patched in version 2.25.2.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/timescale/timescaledb/commit/9a8f7f8bdeb99e6abae0786ffe526791a8628ce3 Patch
https://github.com/timescale/timescaledb/pull/9331 Issue TrackingPatch
https://github.com/timescale/timescaledb/releases/tag/2.25.2 ProductRelease Notes
https://github.com/timescale/timescaledb/security/advisories/GHSA-vgp2-jj5c-828m MitigationVendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2026-29089), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.