What is CVE-2026-29170?

CVE-2026-29170 is a medium-severity vulnerability in Apache Http_server, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-06-08.

How severe is CVE-2026-29170?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Apache Http_server

CVE-2026-29170

A cross-site scripting vulnerability exists in mod_proxy_ftp's HTML directory list generation in Apache HTTP Server 2.4.67 and earlier when listing FTP directory contents either via forward or reverse proxy configuration. Users are recomm…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.005 (40.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Apache Http_server
Apache Software Foundation Http Server — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security@apache.org (vendor-advisory, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2026-29170?: CVE-2026-29170 is a medium-severity vulnerability in Apache Http_server, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-06-08.
How severe is CVE-2026-29170?: Medium severity. CVSS v3 base score is 6.1 out of 10.