What’s Vulnerable › Vulnerabilities
CVE-2026-30915: SFTPGo improperly sanitizes placeholders in group home directories/key prefixes
- Severity: medium (CVSS 4.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-03-13 · updated 2026-06-17
- Weakness: CWE-22
Description
SFTPGo is an open source, event-driven file transfer solution. SFTPGo versions before v2.7.1 contain an input validation issue in the handling of dynamic group paths, for example, home directories or key prefixes. When a group is configured with a dynamic home directory or key prefix using placeholders like %username%, the value replacing the placeholder is not strictly sanitized against relative path components. Consequently, if a user is created with a specially crafted username the resulting path may resolve to a parent directory instead of the intended sub-directory. This issue is fixed in version v2.7.1
Affected products
- drakkan sftpgo: from 2.3.0 before 2.7.1 — fixed in 2.7.1
How to fix
Upgrade to a fixed version: drakkan sftpgo 2.7.1. Check the vendor advisory for mitigations.
References
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