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PostgreSQL REFRESH PUBLICATION allows SQL injection via table name

PostgreSQL · CVE-2026-6638
0 news outlets0 CERTs and agencies0 researchers

What is it?

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.

Evidence

No coverage recorded yet.

Exploitation

  • Public proof of concept
  • Exploited in the wild
  • Listed as known exploited
CVSS
3.7
EPSS
0.2%
First seen
1 d ago
Status
corroborated

All PostgreSQL vulnerabilities