CVE-2026-29170 | Apache HTTP Server: mod_proxy_ftp XSS

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.

Published: 2026-06-08 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2026-29170 is rated Low Risk (38/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.50%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2026-29170

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-23 0.58% 0.50% -0.07%
2 2026-06-15 0.10% 0.58% +0.48%
3 2026-06-10 — 0.10% —

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2026-29170

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.1 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:N)
Service keeps running; no real outage angle.
 2.8 2.7 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2026-29170

GitHub Security Advisory for CVE-2026-29170

GHSA-9rm4-vpqg-mfpc · Severity: medium — A cross-site scripting vulnerability exists in mod_proxy_ftp's HTML directory list generation in...

OS Trackers for CVE-2026-29170

vendor priority summary link
debian not yet assigned CVE-2026-29170 not yet assigned priority: Debian including 1 source packages (apache2), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 3, open 2. https://security-tracker.debian.org/tracker/CVE-2026-29170
suse medium — https://www.suse.com/security/cve/CVE-2026-29170/
ubuntu medium CVE-2026-29170 medium priority: Ubuntu including 1 source packages (apache2), 9 status rows across 9 suites (bionic, focal, jammy, noble, questing, resolute, trusty, upstream, xenial): needs-triage 9. https://ubuntu.com/security/CVE-2026-29170

Affected software / configurations for CVE-2026-29170

Vendor Product Version Raw CPE
apache http_server < 2.4.68 cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*

References for CVE-2026-29170

cvelogic Threat Intelligence