ProFTPD Improper Access Control Vulnerability. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 08/10/2026. Patch affected systems as an emergency.
| Package | Affected versions | Patched versions |
|---|---|---|
| proftpd | = 1.3.5 |
The mod_copy module in ProFTPD 1.3.5 allows remote attackers to read and write to arbitrary files via the site cpfr and site cpto commands.
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