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Affected Component
Analysis
postgresql
Exploitable
Name
CVE-2026-6638
Description
SQL injection in PostgreSQL logical replication ALTER SUBSCRIPTION ... REFRESH PUBLICATION allows a subscriber table creator to execute arbitrary SQL with the subscription's publication-side credentials. The attack takes effect at the next REFRESH PUBLICATION. Within major versions 16, 17, and 18, minor versions before PostgreSQL 18.4, 17.10, and 16.14 are affected. Versions before PostgreSQL 16 are unaffected.
CWEs
Published Date
Updated Date
Workaround
-
Advisories
Analysis#
Vulnerability Ratings#
3.7
CVSSv31
8.8
CVSSv31
NaN
other