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pgAdmin 4 EUVD-2026-29087

| CVE-2026-7819 HIGH
UNIX Symbolic Link (Symlink) Following (CWE-61)
2026-05-11 PostgreSQL GHSA-hr4r-fwpv-c95j
Path Traversal
7.2
CVSS 4.0
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CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

5
Patch available
May 11, 2026 - 17:17 EUVD
Re-analysis Queued
May 11, 2026 - 16:22 vuln.today
cvss_changed
CVSS changed
May 11, 2026 - 16:22 NVD
8.1 (HIGH) 7.2 (HIGH)
Analysis Generated
May 11, 2026 - 15:46 vuln.today
CVE Published
May 11, 2026 - 14:35 nvd
HIGH 8.1

Blast Radius

ecosystem impact
† from your stack dependencies † transitive graph · vuln.today resolves 4-path depth
  • 1 pypi packages depend on pgadmin4 (1 direct, 0 indirect)

Ecosystem-wide dependent count for version 9.15.

DescriptionNVD

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.

AnalysisAI

Symbolic link path traversal in pgAdmin 4 File Manager allows authenticated users to write arbitrary files on the server filesystem. Attackers with valid credentials can plant symlinks in their storage directory pointing outside it, bypassing access controls to overwrite critical system files or application configurations with pgAdmin process privileges. …

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RemediationAI

Within 24 hours: Identify all pgAdmin 4 instances and document current versions; disable or restrict access to the File Manager feature for all non-administrative accounts via pgAdmin role-based access controls. Within 7 days: Review audit logs for any suspicious file operations by authenticated users; implement network segmentation to limit pgAdmin process privileges and filesystem access using OS-level controls (SELinux, AppArmor, or chroot). …

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Vendor StatusVendor

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EUVD-2026-29087 vulnerability details – vuln.today
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