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CVE-2026-6476

7.2 HIGH

SQL injection in PostgreSQL pg_createsubscriber allows an attacker with pg_create_subscription rights to execute arbitrary SQL as a super...

Published: 2026-05-14 · Last updated: 2026-05-18

Severity and scoring

CVSS
7.2 HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-89

Affected products

VendorProduct
postgresqlpostgresql

Description

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.

Source: NVD

References

Related CVEs

Same vendor

  • CVE-2026-6638 — SQL injection in PostgreSQL logical replication ALTER SUBSCRIPTION .. (3.7 LOW)
  • CVE-2026-6637 — Stack buffer overflow in PostgreSQL module "refint" allows an unprivileged database user to execute arbitrary code as the operating syste... (8.8 HIGH)
  • CVE-2026-6575 — Buffer over-read in PostgreSQL function pg_restore_attribute_stats() accepts array values of unmatched length, which causes query plannin... (4.3 MEDIUM)
  • CVE-2026-6479 — Uncontrolled recursion in PostgreSQL SSL and GSS negotiation allows an attacker able to connect to a PostgreSQL AF_UNIX socket to achieve... (7.5 HIGH)
  • CVE-2026-6478 — Covert timing channel in comparison of MD5-hashed password in PostgreSQL authentication allows an attacker to recover user credentials su... (6.5 MEDIUM)

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