Exploit for CVE-2026-17566

CVE-2026-17566 — pgAdmin 4 Import/Export Data RCE PoC The p...

SUSE CVE-2026-17347

The MASTERPASSWORDHOOK setting, introduced in pgAdmin 4 7.2, lets an administrator configure an external command that returns a per-user encryption key, with %u in the configured string replaced by the current user's name. The previous implementation substituted the username directly into the...

CVE-2026-17351

A flaw was found in pgAdmin 4. The AI Assistant's SQL query tool, designed for read-only operations, contains a vulnerability where a disagreement between its SQL validator and the PostgreSQL database parser allows for a transaction bypass. A remote attacker with low-privilege database write acce...

CVE-2026-17566

A flaw was found in pgAdmin 4, a management tool for PostgreSQL databases. The Import/Export Data feature incorrectly processes certain user-provided SQL queries, specifically regarding how backslash characters are interpreted. This vulnerability allows an authenticated remote attacker, with...

CVE-2026-17348

A flaw was found in pgAdmin 4. In SERVER mode, an unauthenticated network client could exploit missing authentication controls on specific routes. This vulnerability allows an attacker to enumerate constraint metadata, read sensitive preference values, delete table constraints, and force-close...

CVE-2026-17566 pgAdmin 4: RCE via backslash-escape mismatch in Import/Export Data query guard (incomplete defense, sibling gap to CVE-2025-13780)

pgAdmin 4's Import/Export Data tool builds a psql \copy ... command line by interpolating a user-supplied SQL query into a Jinja template and passing the rendered line to psql via --command. To stop an attacker from breaking out of the ... wrapper, createimportexportjob route POST...

CVE-2026-17566 pgAdmin 4: RCE via backslash-escape mismatch in Import/Export Data query guard (incomplete defense, sibling gap to CVE-2025-13780)

pgAdmin 4's Import/Export Data tool builds a psql \copy ... command line by interpolating a user-supplied SQL query into a Jinja template and passing the rendered line to psql via --command. To stop an attacker from breaking out of the ... wrapper, createimportexportjob route POST...

CVE-2026-17351 pgAdmin 4: AI Assistant read-only transaction bypass via sqlparse/PostgreSQL lexer disagreement (incomplete fix for CVE-2026-12045)

The fix for CVE-2026-12045 in pgAdmin 4 9.16 required the LLM-supplied query passed to the AI Assistant's executesqlquery tool to parse, via sqlparse, as exactly one non-transaction-control statement before running it inside a BEGIN TRANSACTION READ ONLY wrapper. sqlparse's string-literal lexing...

CVE-2026-17351 pgAdmin 4: AI Assistant read-only transaction bypass via sqlparse/PostgreSQL lexer disagreement (incomplete fix for CVE-2026-12045)

The fix for CVE-2026-12045 in pgAdmin 4 9.16 required the LLM-supplied query passed to the AI Assistant's executesqlquery tool to parse, via sqlparse, as exactly one non-transaction-control statement before running it inside a BEGIN TRANSACTION READ ONLY wrapper. sqlparse's string-literal lexing...

CVE-2026-17349 pgAdmin 4: Adhoc server clone leaks another user's stored database credentials and ownership to a non-owner

/misc/workspace/adhocconnectserver, part of the Workspaces feature introduced in pgAdmin 4 9.0, when passed the id of an existing server, clones that server via Server.clone, which copies every column from the source row, including userid, shared, sharedusername, and the stored credential fields...

EUVD-2026-51562

/misc/workspace/adhocconnectserver, part of the Workspaces feature introduced in pgAdmin 4 9.0, when passed the id of an existing server, clones that server via Server.clone, which copies every column from the source row, including userid, shared, sharedusername, and the stored credential fields...

CVE-2026-17349 pgAdmin 4: Adhoc server clone leaks another user's stored database credentials and ownership to a non-owner

/misc/workspace/adhocconnectserver, part of the Workspaces feature introduced in pgAdmin 4 9.0, when passed the id of an existing server, clones that server via Server.clone, which copies every column from the source row, including userid, shared, sharedusername, and the stored credential fields...

CVE-2026-17348 pgAdmin 4: Missing authentication decorator on Constraints, preferences, Debugger and Schema Diff routes allows unauthenticated access in SERVER mode (incomplete fix for CVE-2026-12046)

In SERVER mode, pgAdmin 4 enforces authentication per route via the @pgaloginrequired decorator; the application's beforerequest hook only handles desktop-mode auto-login and the Kerberos/Webserver-auth redirect, so any route shipped without the decorator is reachable without authentication...

CVE-2026-17347 pgAdmin 4: OS command injection in MASTER_PASSWORD_HOOK via untrusted username substitution

The MASTERPASSWORDHOOK setting, introduced in pgAdmin 4 7.2, lets an administrator configure an external command that returns a per-user encryption key, with %u in the configured string replaced by the current user's name. The previous implementation substituted the username directly into the...

CVE-2026-17347 pgAdmin 4: OS command injection in MASTER_PASSWORD_HOOK via untrusted username substitution

The MASTERPASSWORDHOOK setting, introduced in pgAdmin 4 7.2, lets an administrator configure an external command that returns a per-user encryption key, with %u in the configured string replaced by the current user's name. The previous implementation substituted the username directly into the...

CVE-2026-17347

The CVE describes an OS command injection in pgAdmin 4: a MASTER_PASSWORD_HOOK setting allows an administrator to configure an external command containing %u, which substitutes the current user name (potentially from external sources) into the command string. Previously this could be injected int...

CVE-2026-17346 pgAdmin 4: SQL injection via unescaped object names in index Statistics and publication/subscription dependency views (incomplete fix for CVE-2026-12044)

The fix for CVE-2026-12044 in pgAdmin 4 9.16 hardened qtLiteral and switched sixteen COMMENT ON / pgstattuple / pgstatindex templates to it, but missed several sinks that had been placed in testsqlstringliterallint.py's ALLOWLIST on the incorrect assumption that schema, table, publication, and...

PT-2026-66776

Name of the Vulnerable Software and Affected Versions pgAdmin 4 versions 9.13 through 9.16 Description An issue exists where the AI Assistant's execute sql query tool fails to properly validate queries supplied by a Large Language Model LLM. The tool uses sqlparse to ensure only one...

PYSEC-2026-2865 pgAdmin 4 has deserialization of untrusted data in its FileBackedSessionManager

Deserialization of untrusted data CWE-502 in pgAdmin 4 FileBackedSessionManager. The session manager performed unsafe deserialization of session-file contents using Python's standard object-serialization module before performing any HMAC integrity check. Any file dropped into the sessions directo...

pgAdmin 4: Improper restriction of excessive authentication attempts

Improper restriction of excessive authentication attempts CWE-307 in pgAdmin 4.pgAdmin enforces MAXLOGINATTEMPTS only inside its custom /authenticate/login view. Flask-Security's default /login view, which is registered automatically by security.initapp and is reachable on every server, never...