CVE-2026-10031 (GCVE-0-2026-10031)

Vulnerability from cvelistv5 – Published: 2026-07-30 22:51 – Updated: 2026-10-29 21:15
VLAI
Title
SFTPGo < 2.7.4 Permission Bypass via Symbolic Link Creation
Summary
SFTPGo prior to 2.7.4 contains a permission bypass vulnerability that allows authenticated users to circumvent per-directory access controls by creating symbolic links in a permitted directory that point to files in directories where download, upload, or overwrite permissions are denied. Attackers can exploit the create_symlinks permission combined with read and write access in one directory to read or modify files in restricted directories, as operations are authorized against the link's directory permissions rather than the dereferenced target's directory permissions.
Severity
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
5.4 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-31 19:15 UTC
CWE
  • CWE-863 - Incorrect Authorization
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 7818 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
drakkan SFTPGo Affected: 0 , < 2.7.4 (semver)
Unaffected: 2.7.4 (semver)
    cpe:2.3:a:sftpgo_project:sftpgo:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-07-30 00:00
Credits
Nullx3D (Batuhan SANCAK)
Show details on NVD website
To clipboard 

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