CVE-2026-119147
Tenable Plugin
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AI Threat Summary
CVE-2026-119147 is a moderate vulnerability with a CVSS score of 4.3 affecting the target software. Threat hunters should monitor for exploit attempts and apply vendor patches immediately.
Description
ProFTPD before 1.3.9e and 1.3.10rc5 contains an authorization bypass in the mod_sftp copy-file extension handler that skips Limit WRITE checks for new destination files. Authenticated SFTP users can copy any readable file to a new path in write-denied directories, creating files where uploads are forbidden.
Attack Chain
Attacker scans for vulnerable versions using version banners or PoC scanners
Attacker triggers CVE-2026-119147 vulnerability with a crafted request or payload
Vulnerability exploited to perform unauthorized actions on the target system
Depending on vulnerability type, attacker achieves data access, service disruption, or code execution
MITRE ATT&CK Techniques
Indicators of Compromise
| Type | Value | Description | |
|---|---|---|---|
| user_agent | Mozilla/5.0 (compatible; exploit/1.0) |
Generic exploit scanner user agent pattern | |
| url | /api/vuln-endpoint?payload=<malicious> |
Exploit attempt against application endpoint — monitor access logs for anomalous params |
Remediation
Quick Facts
| CVE ID | CVE-2026-119147 |
| CVSS Score | 4.3 |
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
| Published | 2026-10-30 |
| Exploited | No |
| CISA KEV | No |
| PoC | Not public |
References
- https://abraxaslabs.tech/research/proftpd-sftp-copy-file-wri…
- https://github.com/proftpd/proftpd
- https://github.com/proftpd/proftpd/blob/v1.3.9d/contrib/mod_…
- https://github.com/proftpd/proftpd/commit/b7d3de4565ae448a51…
- https://github.com/proftpd/proftpd/releases/tag/v1.3.10rc5
- https://github.com/proftpd/proftpd/releases/tag/v1.3.9e
- https://www.vulncheck.com/advisories/proftpd-before-1.3-9e-a…