pgAdmin 4: Symbolic-link path traversal in File Manager allows arbitrary file write
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub.
Summary
Symbolic-link path traversal (CWE-61, CWE-22) in pgAdmin 4 File Manager. check_access_permission 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 storage directory pointing outside it and induce pgAdmin to write to any path reachable by the pgAdmin process. Fix switches the access check to os.path.realpath for both source and destination, and adds an _open_upload_target helper that opens the target with O_NOFOLLOW (mode 0o600) to close the leaf-component TOCTOU between the access check and the open. File mode is hardened from 0o644 to 0o600. This issue affects pgAdmin 4: before 9.15.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| pgadmin.org | pgAdmin 4 | before 9.15 | 9.15 | Patch available | CNA |
| — | pgadmin4 (PyPI) | before 9.15 | 9.15 | Patch available | GHSA-hr4r-fwpv-c95j |
- pgAdmin 4 Vendorpgadmin.org Affected before 9.15 Fixed in 9.15 Patch available CNA
- pgadmin4 (PyPI) Vendor— Affected before 9.15 Fixed in 9.15 Patch available GHSA-hr4r-fwpv-c95j
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:pgadmin:pgadmin_4:*:*:*:*:*:postgresql:*:* | before 9.15 | Vulnerable | pgadmin.org |
- cpe:2.3:a:pgadmin:pgadmin_4:*:*:*:*:*:postgresql:*:* Versions before 9.15 Vulnerable ·pgadmin.org
Remediation
- Fix · CNA pgAdmin 4 (pgadmin.org) Fixed in 9.15
- Fix · GHSA-hr4r-fwpv-c95j pgadmin4 (PyPI) Fixed in 9.15 Advisory →
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
pgadmin.org pgAdmin 4 9.15
8 records Highest priority Priority HIGH 1 HIGH, 3 MEDIUM, 4 LOW
Other records, highest priority first
- TI-2026-06875 pgAdmin 4: Cross-user data access and shared-server privilege escalation in server modePriority HIGH 76
- TI-2026-06876 pgAdmin 4: Stored XSS via crafted PostgreSQL object names in Browser Tree and Explain VisualizerPriority MEDIUM 55
- TI-2026-06878 pgAdmin 4: OS command injection in Import/Export query export via psql metacommand breakoutPriority MEDIUM 43
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2026-7819
- 2026-10-03 Alias added: GHSA-hr4r-fwpv-c95j
References
More pgadmin.org Pgadmin 4 vulnerabilities
- TI-2024-01901 Unsafe Deserialisation and Remote Code Execution by an Authenticated user in pgAdmin 4 CVSS 3.1CRITICAL 9.9
- TI-2024-02918 Remote Code Execution Vulnerability through the validate binary path API in pgAdmin 4 CVSS 3.1CRITICAL 9.8
- TI-2022-03867 Code injection in pgadmin4 CVSS 3.1HIGH 8.8
- TI-2026-06875 pgAdmin 4: Cross-user data access and shared-server privilege escalation in server mode CVSS 4.0CRITICAL 9.4
- TI-2025-02572 pgAdmin 4: Remote Code Execution in Query Tool and Cloud Deployment CVSS 3.1CRITICAL 9.9
- TI-2023-00228 Path traversal in pgadmin CVSS 3.1MEDIUM 6.5
Sources
- CVE-2026-7819 · CVE Program
- CVE-2026-7819 · NVD
- FIRST EPSS
- GHSA-hr4r-fwpv-c95j · GitHub Advisory Database · CC BY 4.0
- CVE-2026-7819 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences