PostgreSQL has released updates to address a security flaw that allows an account with the REPLICATION attribute to run arbitrary code as the operating-system user running the database server. The flaw, tracked as CVE-2026-6471 (CVSS score: 7.2), has been present since logical decoding was introduced in PostgreSQL 9.4 in 2014. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are

PostGREShell (CVE-2026-6471) is a 12-year-old PostgreSQL flaw that lets low-privileged attackers execute code and take over servers. Cyera researchers found a severe PostgreSQL vulnerability, dubbed PostGREShell and tracked as CVE-2026-6471 (CVSS score of 7.2). Present in releases dating back to 2014, the flaw can be exploited by attackers with low-level replication access to execute code, […]