pgAdmin 4 - Authentication Bypass

pgAdmin 4 versions 8.11 and earlier are vulnerable to a security flaw in OAuth2 authentication. This vulnerability allows an attacker to potentially obtain the client ID and secret, leading to unauthorized access to user data. id: CVE-2024-9014 info: name: pgAdmin 4 - Authentication Bypass author...

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...

Exploit for CVE-2026-17351

CVE-2026-17351 — pgAdmin 4 AI Assistant Read-Only Bypass via L...

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-2026-17346

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 testsqlstringliterallint.py's ALLOWLIST on the incorrect assumption that schema, table, publication, and...

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-2026-17566

Summary of CVE-2026-17566 (pgAdmin 4): The Import/Export Data tool builds a psql \copy (...) command by interpolating a user-supplied SQL query into a Jinja template and passing it via --command. A flawed parenthesis-balance check in create_import_export_job() treated a backslash-quote (') as esc...

EUVD-2026-51565

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

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-2026-17351 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...

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

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...

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...