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CVE

CVE-2026-29089

TimescaleDB uses untrusted search path during extension upgrade
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CVE

CVE-2026-29089

TimescaleDB uses untrusted search path during extension upgrade

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 searchpath setting to locate unqualified database objects (tables, functions, operators). If the searchpath 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.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
8.8
-
3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
C
H
U
0
-
3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
C
H
U
-

Related Resources

No items found.

References

https://github.com/timescale/timescaledb/releases/tag/2.25.2, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/29xxx/CVE-2026-29089.json, https://github.com/timescale/timescaledb/security/advisories/GHSA-vgp2-jj5c-828m, https://nvd.nist.gov/vuln/detail/CVE-2026-29089, https://github.com/timescale/timescaledb/commit/9a8f7f8bdeb99e6abae0786ffe526791a8628ce3, https://github.com/timescale/timescaledb/pull/9331

Severity

8.8

CVSS Score
0
10

Basic Information

Ecosystem
Base CVSS
8.8
EPSS Probability
0.00025%
EPSS Percentile
0.07025%
Introduced Version
ba5dcfd1c69f3529d0cc9de3028e1a12a36042ba
Fix Available
3d9e005987643878a0cd51da40abbf7d3a63d453

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