CVE-2026-7815

High

Description

SQL injection vulnerability in pgAdmin 4 Maintenance Tool. Four user-supplied JSON fields (buffer_usage_limit, vacuum_parallel, vacuum_index_cleanup, reindex_tablespace) were concatenated directly into the rendered VACUUM/ANALYZE/REINDEX command and passed to psql --command. An authenticated user with the tools_maintenance permission could break out of the option syntax and execute arbitrary SQL on the connected PostgreSQL server. The injected SQL could in turn invoke COPY ... TO PROGRAM to escalate to operating-system command execution on the database host. Fix introduces server-side allow-listing of all four fields and switches reindex_tablespace from manual quoting to the qtIdent filter. This issue affects pgAdmin 4: before 9.15.

SeverityHigh
CVSS8.8
Exploit probability—
ProductPgadmin 4
PublishedMay 11, 2026
First seenMay 11, 2026
Weakness typeCWE-89SQL injection

How to fix

Update
  • pgadmin pgadmin_49.15 or later
  • pgadmin49.15 or later

Affected products

ProductAffected versionsFixed in
pgadmin pgadmin_47.6 ≤ v < 9.159.15
pgadmin4PyPIv < 9.159.15

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