CVE-2026-6476

7.2 highEPSS 0.3%

SQL injection in PostgreSQL pg_createsubscriber allows an attacker with pg_create_subscription rights to execute arbitrary SQL as a superuser. The attack takes effect when pg_createsubscriber next runs. Within major versions 17 and 18, minor versions before PostgreSQL 18.4 and 17.10 are affected. Versions before PostgreSQL 17 are unaffected.

Severity

CVSS 3.1

7.2 high

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 21% of CVEs (scores of 2026-10-31)
CWE: CWE-89
Published: 2026-05-14
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

postgresql:postgresql

References

https://www.postgresql.org/support/security/CVE-2026-6476/

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