CVE-2026-86863 pgAdmin 4: Authentication bypass via a client-controlled identity header in Webserver authentication mode

pgAdmin 4's Webserver authentication source is intended to accept an identity asserted by the web server or reverse proxy in front of pgAdmin, delivered through the WSGI/CGI environment. WebserverAuthentication.getuser read config.WEBSERVERREMOTEUSER from request.environ and, when that returned...

CVE-2026-86863 pgAdmin 4: Authentication bypass via a client-controlled identity header in Webserver authentication mode

pgAdmin 4's Webserver authentication source is intended to accept an identity asserted by the web server or reverse proxy in front of pgAdmin, delivered through the WSGI/CGI environment. WebserverAuthentication.getuser read config.WEBSERVERREMOTEUSER from request.environ and, when that returned...

CVE-2026-86862

pgAdmin 4 's Restore and Maintenance tools were vulnerable to connection-string injection through the database field, passed directly as --dbname to pg_restore/psql. Because libpq expands a database name containing = into a full connection string, an attacker-supplied value like host=attacker.exa...

EUVD-2026-81694

pgAdmin 4's Restore and Maintenance tools passed the client-supplied 'database' field directly as the value of the --dbname option given to pgrestore and psql. libpq expands a database name containing an equals sign into a full connection string, and connection keywords embedded in that value tak...

CVE-2026-86862 pgAdmin 4: Connection-string injection via the database field in the Restore and Maintenance tools

pgAdmin 4's Restore and Maintenance tools passed the client-supplied 'database' field directly as the value of the --dbname option given to pgrestore and psql. libpq expands a database name containing an equals sign into a full connection string, and connection keywords embedded in that value tak...

CVE-2026-86862 pgAdmin 4: Connection-string injection via the database field in the Restore and Maintenance tools

pgAdmin 4's Restore and Maintenance tools passed the client-supplied 'database' field directly as the value of the --dbname option given to pgrestore and psql. libpq expands a database name containing an equals sign into a full connection string, and connection keywords embedded in that value tak...

CVE-2026-86862 pgAdmin 4: Connection-string injection via the database field in the Restore and Maintenance tools

pgAdmin 4's Restore and Maintenance tools passed the client-supplied 'database' field directly as the value of the --dbname option given to pgrestore and psql. libpq expands a database name containing an equals sign into a full connection string, and connection keywords embedded in that value tak...

CVE-2026-86861 pgAdmin 4: File Manager save_file writes through a symbolic link planted after the containment check

pgAdmin 4's File Manager savefile endpoint, which backs saving from the Query Tool and ERD, validated the requested path with Filemanager.checkaccesspermission and then opened the file for writing with a plain open call. CVE-2026-7819 had previously hardened the separate file upload path by openi...

CVE-2026-86861

pgAdmin 4 's File Manager save_file endpoint (used by the Query Tool and ERD) contained a TOCTOU race : after validating a path with check_access_permission(), it opened the file with a plain open() call lacking the O_NOFOLLOW protection that the separate upload path had gained in CVE-2026-7819. ...

EUVD-2026-81693

pgAdmin 4's File Manager savefile endpoint, which backs saving from the Query Tool and ERD, validated the requested path with Filemanager.checkaccesspermission and then opened the file for writing with a plain open call. CVE-2026-7819 had previously hardened the separate file upload path by openi...

CVE-2026-86861 pgAdmin 4: File Manager save_file writes through a symbolic link planted after the containment check

pgAdmin 4's File Manager savefile endpoint, which backs saving from the Query Tool and ERD, validated the requested path with Filemanager.checkaccesspermission and then opened the file for writing with a plain open call. CVE-2026-7819 had previously hardened the separate file upload path by openi...

CVE-2026-86861 pgAdmin 4: File Manager save_file writes through a symbolic link planted after the containment check

pgAdmin 4's File Manager savefile endpoint, which backs saving from the Query Tool and ERD, validated the requested path with Filemanager.checkaccesspermission and then opened the file for writing with a plain open call. CVE-2026-7819 had previously hardened the separate file upload path by openi...

CVE-2026-86861: Time-of-check Time-of-use (TOCTOU) Race Condition

pgAdmin 4's File Manager savefile endpoint, which backs saving from the Query Tool and ERD, validated the requested path with Filemanager.checkaccesspermission and then opened the file for writing with a plain open call. CVE-2026-7819 had previously hardened the separate file upload path by openi...

PT-2026-94389

Name of the Vulnerable Software and Affected Versions pgAdmin 4 versions prior to 9.18 Description The Restore and Maintenance tools pass the client-supplied database field directly as the value of the --dbname option for pg restore and psql. Because libpq expands database names containing an...

CVE-2026-86862: Improper Neutralization of Argument Delimiters in a Command

pgAdmin 4's Restore and Maintenance tools passed the client-supplied 'database' field directly as the value of the --dbname option given to pgrestore and psql. libpq expands a database name containing an equals sign into a full connection string, and connection keywords embedded in that value tak...

PT-2026-94388

Name of the Vulnerable Software and Affected Versions pgAdmin 4 versions prior to 9.18 Description The save file endpoint in the File Manager, used by the Query Tool and ERD, contains a race condition. While the system validates the requested path using the check access permission function, it...

PT-2026-94391

Name of the Vulnerable Software and Affected Versions pgAdmin 4 versions prior to 9.18 Description The Backup tool in pgAdmin 4 fails to validate the database field within the /backup/job//object endpoint. This field is appended as a positional argument to the pg dump utility. Since pg dump uses...

CVE-2026-86864: Improper Neutralization of Argument Delimiters in a Command

pgAdmin 4's Backup tool appended the client-supplied 'database' field from the /backup/job/ /object request to the pgdump argument vector as a bare trailing positional argument, without validation. Because pgdump parses its options with getoptlong, which permutes arguments, a value beginning with...

CVE-2026-86863: Authentication Bypass by Spoofing

pgAdmin 4's Webserver authentication source is intended to accept an identity asserted by the web server or reverse proxy in front of pgAdmin, delivered through the WSGI/CGI environment. WebserverAuthentication.getuser read config.WEBSERVERREMOTEUSER from request.environ and, when that returned...

PT-2026-94390

Name of the Vulnerable Software and Affected Versions pgAdmin 4 versions 6.2 through 9.17 Description An authentication bypass exists when the 'webserver' source is enabled in AUTHENTICATION SOURCES. The WebserverAuthentication.get user function reads the config.WEBSERVER REMOTE USER from the...