The Bottom Line: PostgreSQL instances are vulnerable to unauthenticated SQL injection and code execution, requiring immediate review and patching.
A vulnerability in PostgreSQL allows anonymous attackers to perform SQL injection and execute arbitrary code, and the flaw is exploitable without authentication.
A critical vulnerability in PostgreSQL allows anonymous, unauthenticated attackers to conduct SQL injection attacks and execute arbitrary code on the database server. The flaw grants direct access to protected data and full control over the database instance.
For CISOs, this represents a significant risk to all PostgreSQL deployments configured with network access. Particularly critical is the lack of authentication as a prerequisite – the vulnerability can already be exploited from outside the system without requiring a database user or application account to be compromised.
Affected organizations should immediately review their PostgreSQL versions, apply available security patches, and restrict network access to database ports. Special attention is required for publicly accessible instances and cloud deployments. Continuous monitoring for suspicious database activity is essential until a patch is applied.
Source: wid.cert-bund.de · Published 26 June 2026
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