CVE-2026-6638
SQL injection in PostgreSQL logical replication ALTER SUBSCRIPTION ...
Published May 14, 2026 · updated Jun 17, 2026 · postgresql postgresql
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.
Code
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No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
May 14, 2026 · NIST NVD
Detected
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 a
Jun 17, 2026 · NIST NVD
Updated
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 a
Affected
- cpe postgresql/postgresqlversion unspecified
Sources
- CVE.orgVulnerability recordCVE-2026-6638
Official CVE identifier
cve.org - NIST NVDVulnerability recordCVE-2026-6638
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 vers
nvd.nist.gov