CVE-2026-17351

The CVE-2026-17351 issue affects pgAdmin 4 (versions from 9.13 up to, but not including, 9.17). The vulnerability stems from a mismatch between sqlparse’s string-literal handling and PostgreSQL’s parser, which can allow an LLM-supplied query executed inside a BEGIN TRANSACTION READ ONLY wrapper t...

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-2026-17350 pgAdmin 4: Tool permission bypass via backend routes and Socket.IO handlers

The per-tool permission system custom roles / role-based tool permissions, introduced in pgAdmin 4 9.3 did not enforce its permission check consistently. In SERVER mode, pgAdmin 4 gates each tool behind a per-tool Flask-Security permission, but the permission decorator permissionsrequired was...

CVE-2026-17350 pgAdmin 4: Tool permission bypass via backend routes and Socket.IO handlers

The per-tool permission system custom roles / role-based tool permissions, introduced in pgAdmin 4 9.3 did not enforce its permission check consistently. In SERVER mode, pgAdmin 4 gates each tool behind a per-tool Flask-Security permission, but the permission decorator permissionsrequired was...

CVE-2026-17349

CVE-2026-17349 affects pgAdmin 4: from version 9.0 up to, but not including, 9.17. The issue occurs in the Workspaces feature’s adhoc_connect_server when cloning an existing server via Server.clone(): the clone copies every column, including user_id, shared, shared_username, and stored credential...

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-2026-17349 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...

EUVD-2026-51560

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 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...

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...

CVE-2026-17346

CVE-2026-17346 affects pgAdmin 4 (Index Statistics sink for all-indexes listing in 1.0 and Publications/Subscriptions sinks in 5.0 prior to 9.17). The issue arose after CVE-2026-12044 fix: templates for sixteen COMMENT ON / pgstattuple / pgstatindex were hardened with qtLiteral, but several sinks...

PT-2026-66773

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

PT-2026-66771

🚨 CVE-2026-17346 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 test sql string literal lint.py's ALLOWLIST on the incorrect assumption that schema, table...

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...