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 recommended to upgrade to version 2.4.68, which fixes this issue.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.005 (42.3th 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.