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CVE-2026-2361

Improper search_path protection in PostgreSQL Anonymizer 2.5 allows any user with create privilege to gain superuser privileges

High8.0EPSS 0.33%
Published
Updated
Reserved
Assigned by
PostgreSQL

Description

PostgreSQL Anonymizer contains a vulnerability that allows a user to gain superuser privileges by creating a temporary view based on a function containing malicious code. When the anon.get_tablesample_ratio function is then called, the malicious code is executed with superuser privileges. This privilege elevation can be exploited by users having the CREATE privilege in PostgreSQL 15 and later. The risk is higher with PostgreSQL 14 or with instances upgraded from PostgreSQL 14 or a prior version because the creation permission on the public schema is granted by default. The problem is resolved in PostgreSQL Anonymizer 3.0.1 and further versions

Timeline

  1. ID reserved

    By PostgreSQL

  2. Published

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2026-2361, by who scored it
Scored byCVSSScoreVector
PostgreSQLCNA (assigner)3.1High8.0CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
NVDNVD · Deferred3.1High8.0CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
EPSS (exploitation in 30 days)
0.33% · top 74% of all CVEs (7 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: total
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.0.

Weakness

Affected products

What to do

Workaround: Drop the anon.get_tablesample_ratio function. It is obsolete.

References (2)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .