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

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-2026-17347 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-2026-17346 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-2026-66776

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...

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-2026-66772

Name of the Vulnerable Software and Affected Versions pgAdmin 4 versions 7.2 through 9.16 Description An issue exists in the MASTER PASSWORD HOOK setting where the application substitutes the username directly into a command string and executes it using subprocess.Popen..., shell=True. Since...

PT-2026-66777

Name of the Vulnerable Software and Affected Versions pgAdmin 4 versions prior to 9.17-1.1 Description The Import/Export Data functionality fails to properly neutralize special elements, which allows a remote attacker to execute arbitrary operating system commands on the server. Recommendations...

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...

PYSEC-2026-2867 SQL injection vulnerability in pgAdmin 4 Maintenance Tool

SQL injection vulnerability in pgAdmin 4 Maintenance Tool. Four user-supplied JSON fields bufferusagelimit, vacuumparallel, vacuumindexcleanup, reindextablespace were concatenated directly into the rendered VACUUM/ANALYZE/REINDEX command and passed to psql --command. An authenticated user with th...

PYSEC-2026-2868 pgAdmin 4 File Manager has symbolic-link path traversal

Symbolic-link path traversal CWE-61, CWE-22 in pgAdmin 4 File Manager. checkaccesspermission used os.path.abspath, which resolves '..' but does not resolve symbolic links, while the subsequent kernel write follows symlinks. An authenticated user could plant a symbolic link inside their own storag...

PYSEC-2026-2871 pgAdmin 4 contains local file inclusion (LFI) and server-side request forgery (SSRF) vulnerabilities

Local file inclusion LFI and server-side request forgery SSRF vulnerabilities in pgAdmin 4 LLM API configuration endpoints. User-supplied apikeyfile and apiurl preferences were passed to the LLM provider clients without validation. An authenticated user could read arbitrary server-side files by...

PYSEC-2026-2870 pgAdmin 4: OS command injection vulnerability in Import/Export query export

OS command injection CWE-78 vulnerability in pgAdmin 4 Import/Export query export. User-supplied input was interpolated directly into a psql \copy metacommand template without sanitization. An authenticated user could inject " TO PROGRAM 'cmd'" to break out of the \copy ... context and achieve...

PYSEC-2026-2866 pgAdmin 4: Stored cross-site scripting (XSS) vulnerability in Browser Tree and Explain Visualizer modules

Stored cross-site scripting XSS vulnerability in pgAdmin 4 Browser Tree and Explain Visualizer modules. User-controlled PostgreSQL object names database, schema, table, column, etc. were assigned to DOM elements via innerHTML, allowing crafted object names containing HTML markup to execute...