What is CVE-2026-35025?

CVE-2026-35025 is a high-severity vulnerability in Proftpd, classified under Improper Link Resolution Before File Access. CVSS score: 8.1/10. Published 2026-06-24.

How severe is CVE-2026-35025?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in Proftpd

CVE-2026-35025

ProFTPD through 1.3.9b and 1.3.10rc2 contains an access control bypass vulnerability that allows authenticated FTP users to circumvent Directory ACL restrictions by prefixing paths with /proc/self/root in the RNFR command handler. Attacker…

EPSS: 0.003 (27.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

Affected products

Proftpd — versions 1.3.10
Proftpd Project — versions 0

Weakness classification (CWE)

CWE-59 — Improper Link Resolution Before File Access

References

disclosure@vulncheck.com (technical-description, Mitigation, Issue Tracking)
disclosure@vulncheck.com (Product, product, Release Notes)
disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2026-35025?: CVE-2026-35025 is a high-severity vulnerability in Proftpd, classified under Improper Link Resolution Before File Access. CVSS score: 8.1/10. Published 2026-06-24.
How severe is CVE-2026-35025?: High severity. CVSS v3 base score is 8.1 out of 10.