Linuxsecurity Critical PostgreSQL Vulnerabilities Disclosed Affecting Multiple Versions
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- •Multiple critical vulnerabilities in PostgreSQL could allow SQL injection and arbitrary code execution.
- •Affected versions include PostgreSQL 14, 16, and 18, impacting authenticated users.
- •Patches are available; immediate updates are recommended to mitigate risks.
Multiple vulnerabilities were discovered in PostgreSQL, including issues with COPY FROM STDIN, extended statistics ownership, and USAGE privilege checks. These vulnerabilities, identified as CVE-2026-6464, CVE-2026-6469, and CVE-2026-6470, could allow authenticated users to execute arbitrary SQL commands or obtain sensitive information. Additionally, CVE-2026-6471 allows arbitrary code execution via logical decoding. The vulnerabilities affect PostgreSQL versions 14, 16, and 18. Affected users are advised to update their systems immediately to mitigate risks. The vulnerabilities were published on August 13, 2026, with a proof of concept for CVE-2026-6469 released shortly before the advisory. The current status is that patches are available and users are urged to apply them.
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