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CVE-2026-7819— pgAdmin 4: Symbolic-link path traversal in File Manager allows arbitrary file write

CVSS 8.1 · High EPSS 0.04% · P14

Affected Version Matrix 1

VendorProductVersion RangeStatus
pgadmin.orgpgAdmin 4< 9.15affected
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I. Basic Information for CVE-2026-7819

Vulnerability Information
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Vulnerability Title
pgAdmin 4: Symbolic-link path traversal in File Manager allows arbitrary file write
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
pgAdmin 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
pgAdmin是pgAdmin开源的一个用于开源数据库 PostgreSQL 的开源管理和开发平台。 pgAdmin 4 9.15之前版本存在安全漏洞，该漏洞源于符号链接路径遍历，可能导致经过身份验证的用户在存储目录内放置符号链接，写入任意路径。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
pgadmin.orgpgAdmin 4 0 ~ 9.15 -

II. Public POCs for CVE-2026-7819

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III. Intelligence Information for CVE-2026-7819

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Vendor Advisories for CVE-2026-7819 (1)

Same Patch Batch · pgadmin.org · 2026-05-11 · 8 CVEs total

CVE-2026-78139.9 CRITICALpgAdmin 4: Cross-user data access and shared-server privilege escalation in server mode
CVE-2026-78158.8 HIGHpgAdmin 4: SQL injection in Maintenance tool option values leading to remote code executio
CVE-2026-78168.8 HIGHpgAdmin 4: OS command injection in Import/Export query export via psql metacommand breakou
CVE-2026-78187.0 HIGHpgAdmin 4: Unsafe deserialization (CWE-502) in file-backed session manager leads to remote
CVE-2026-78176.5 MEDIUMpgAdmin 4: Local file inclusion and server-side request forgery in LLM API configuration e
CVE-2026-78206.5 MEDIUMpgAdmin 4: Account-lockout bypass via Flask-Security default /login view
CVE-2026-78144.8 MEDIUMpgAdmin 4: Stored XSS via crafted PostgreSQL object names in Browser Tree and Explain Visu

IV. Related Vulnerabilities

Same product: pgAdmin 4
Same vendor: pgadmin.org

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