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CVE-2026-7816 is an authenticated OS command injection vulnerability in pgAdmin 4's Import/Export query export functionality. The flaw is caused by direct interpolation of user-controlled input into a psql \copy metacommand template without adequate sanitization or structural validation. The primary injection point is the exported query text embedded within the \copy (...) context, allowing an attacker to terminate the intended parenthesized query and append attacker-controlled metacommand syntax. Additional parameters, including format, on_error, and log_verbosity, were also raw-interpolated and exploitable. Successful exploitation can cause psql to invoke operating-system commands via metacommand features or redirect output for arbitrary server-side file writes. The issue affects pgAdmin 4 versions before 9.15, including 9.4 through 9.14. The fix in 9.15 adds parenthesis-balance validation modeled on psql tokenization behavior, allow-lists for previously unsanitized option fields, null-byte rejection in the query, newline normalization, and stricter type and gating checks.
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An authenticated remote code execution vulnerability in pgAdmin 4's Import/Export query export feature caused by unsafe interpolation into the psql \copy metacommand, allowing OS command injection and arbitrary file write on the pgAdmin server.
An OS command injection vulnerability in pgAdmin 4 affecting Import/Export query export functionality.
An authenticated OS command injection vulnerability in pgAdmin 4 Import/Export query export caused by unsanitized interpolation into a psql \copy metacommand template, enabling arbitrary command execution on the pgAdmin server or arbitrary file write.
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