CVE-2026-29170: A cross-site scripting vulnerability exists in mod_proxy_ftp's HTML directory list generation in Apache HTTP S

Q: How do I fix CVE-2026-29170?

http server: upgrade to 2.4.68. Exact commands for each OS are on this page.

Q: Is CVE-2026-29170 being exploited?

CVE-2026-29170 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-29170 affect?

CVE-2026-29170 affects http server. Severity is medium (CVSS 6.1). 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 recomme

Q: How urgent is CVE-2026-29170?

Priority 37/100. On your watchlist

Routine

MEDIUM 6.1WATCHLISTUPGRADE

CVE-2026-29170 is a medium-severity flaw (CVSS 6.1) affecting http server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.5% (top 56%)
CISA exploited list	No
Weakness	CWE-79
Published	2026-06-08
Last modified	2026-07-23

Publisher (CNA): Apache Software Foundation · Vendor: apache

Last updated 2026-07-23 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-06-08 16:16 UTCPublished CVE record published
2026-07-23 07:10 UTCUpdated Record last modified

apache http server UPGRADE

Affected: < 2.4.68

Fixed in: 2.4.68

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy http-server || rpm -q http-server || http-server --version

2. UPGRADE to 2.4.68 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade http-server

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade http-server

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-29170?

http server: upgrade to 2.4.68. Exact commands for each OS are on this page.

Is CVE-2026-29170 being exploited?

CVE-2026-29170 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-29170 affect?

CVE-2026-29170 affects http server. Severity is medium (CVSS 6.1). 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 recomme

How urgent is CVE-2026-29170?

Priority 37/100. On your watchlist

Software pages

Apache HTTP Server vulnerabilities

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References

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