# CVE-2026-79768: Apache HTTP Server: mod_userdir information disclosure

CVE-2026-79768 is fixed in 35 products on 1 platform, first by apache2 2.4.66-2ubuntu2.6, released October 1, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-79768
- Priority: Routine
- CVSS: 5.3 (Moderate)
- EPSS: 0.0055
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Oct 1, 2026
- Weakness: Path Equivalence: '/./' (Single Dot Directory)
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-79768

## Description

Path equivalence: '/./' (single dot directory) vulnerability in Apache HTTP Server's mod_userdir module when configured with absolute non-wildcard UserDir directive (the 2nd form in https://httpd.apache.org/docs/2.4/mod/mod_userdir.html#userdir) This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | apache2 Debian 13.5 (trixie) | 2.4.69-1~deb13u1 | [DEBIAN-CVE-2026-79768](https://patchblox.com/security/data/fix/linux/debian-cve-2026-79768.md) | Oct 5, 2026 |
| Linux | apache2 Debian 14 | 2.4.69-1 | [DEBIAN-CVE-2026-79768](https://patchblox.com/security/data/fix/linux/debian-cve-2026-79768.md) | Oct 5, 2026 |
| Linux | apache2 Ubuntu 18.04.6 LTS (bionic) | 2.4.29-1ubuntu4.27+esm13 | [apache2 2.4.29-1ubuntu4.27+esm13](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-apache2-2.4.29-1ubuntu4.27-esm13.md) | Oct 19, 2026 |
| Linux | apache2 Ubuntu 20.04 LTS (focal) | 2.4.41-4ubuntu3.23+esm9 | [apache2 2.4.41-4ubuntu3.23+esm9](https://patchblox.com/security/data/fix/linux/ubuntu-focal-apache2-2.4.41-4ubuntu3.23-esm9.md) | Oct 19, 2026 |
| Linux | apache2 Ubuntu 22.04.1 LTS (jammy) | 2.4.52-1ubuntu4.25 | [apache2 2.4.52-1ubuntu4.25](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-apache2-2.4.52-1ubuntu4.25.md) | Oct 19, 2026 |
| Linux | apache2 Ubuntu 24.04.5 LTS (noble) | 2.4.58-1ubuntu8.17 | [apache2 2.4.58-1ubuntu8.17](https://patchblox.com/security/data/fix/linux/ubuntu-noble-apache2-2.4.58-1ubuntu8.17.md) | Oct 19, 2026 |
| Linux | apache2 Ubuntu 26.04.1 LTS (resolute) | 2.4.66-2ubuntu2.6 | [apache2 2.4.66-2ubuntu2.6](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-apache2-2.4.66-2ubuntu2.6.md) | Oct 1, 2026 |
| Linux | apache2 sles 15.6 | 2.4.66-150600.5.58.1 | [SUSE-SU-2026:5075-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-5075-1.md) | Nov 7, 2026 |
| Linux | apache2 sles 15.7 | 2.4.66-150700.4.26.1 | [SUSE-SU-2026:5077-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-5077-1.md) | Nov 7, 2026 |
| Linux | apache2-bin Ubuntu 18.04.6 LTS (bionic) | 2.4.29-1ubuntu4.27+esm13 | [apache2-bin 2.4.29-1ubuntu4.27+esm13](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-apache2-bin-2.4.29-1ubuntu4.27-esm13.md) | Oct 19, 2026 |
| Linux | apache2-bin Ubuntu 20.04 LTS (focal) | 2.4.41-4ubuntu3.23+esm9 | [apache2-bin 2.4.41-4ubuntu3.23+esm9](https://patchblox.com/security/data/fix/linux/ubuntu-focal-apache2-bin-2.4.41-4ubuntu3.23-esm9.md) | Oct 19, 2026 |
| Linux | apache2-bin Ubuntu 22.04.1 LTS (jammy) | 2.4.52-1ubuntu4.25 | [apache2-bin 2.4.52-1ubuntu4.25](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-apache2-bin-2.4.52-1ubuntu4.25.md) | Oct 19, 2026 |
| Linux | apache2-bin Ubuntu 24.04.5 LTS (noble) | 2.4.58-1ubuntu8.17 | [apache2-bin 2.4.58-1ubuntu8.17](https://patchblox.com/security/data/fix/linux/ubuntu-noble-apache2-bin-2.4.58-1ubuntu8.17.md) | Oct 19, 2026 |
| Linux | apache2-bin Ubuntu 26.04.1 LTS (resolute) | 2.4.66-2ubuntu2.6 | [apache2-bin 2.4.66-2ubuntu2.6](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-apache2-bin-2.4.66-2ubuntu2.6.md) | Oct 1, 2026 |
| Linux | apache2-data Ubuntu 18.04.6 LTS (bionic) | 2.4.29-1ubuntu4.27+esm13 | [apache2-data 2.4.29-1ubuntu4.27+esm13](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-apache2-data-2.4.29-1ubuntu4.27-esm13.md) | Oct 19, 2026 |
| Linux | apache2-data Ubuntu 20.04 LTS (focal) | 2.4.41-4ubuntu3.23+esm9 | [apache2-data 2.4.41-4ubuntu3.23+esm9](https://patchblox.com/security/data/fix/linux/ubuntu-focal-apache2-data-2.4.41-4ubuntu3.23-esm9.md) | Oct 19, 2026 |
| Linux | apache2-data Ubuntu 22.04.1 LTS (jammy) | 2.4.52-1ubuntu4.25 | [apache2-data 2.4.52-1ubuntu4.25](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-apache2-data-2.4.52-1ubuntu4.25.md) | Oct 19, 2026 |
| Linux | apache2-data Ubuntu 24.04.5 LTS (noble) | 2.4.58-1ubuntu8.17 | [apache2-data 2.4.58-1ubuntu8.17](https://patchblox.com/security/data/fix/linux/ubuntu-noble-apache2-data-2.4.58-1ubuntu8.17.md) | Oct 19, 2026 |
| Linux | apache2-data Ubuntu 26.04.1 LTS (resolute) | 2.4.66-2ubuntu2.6 | [apache2-data 2.4.66-2ubuntu2.6](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-apache2-data-2.4.66-2ubuntu2.6.md) | Oct 1, 2026 |
| Linux | apache2-devel sles 15.6 | 2.4.66-150600.5.58.1 | [SUSE-SU-2026:5075-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-5075-1.md) | Nov 7, 2026 |
| Linux | apache2-devel sles 15.7 | 2.4.66-150700.4.26.1 | [SUSE-SU-2026:5077-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-5077-1.md) | Nov 7, 2026 |
| Linux | apache2-event sles 15.7 | 2.4.66-150700.4.26.1 | [SUSE-SU-2026:5077-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-5077-1.md) | Nov 7, 2026 |
| Linux | apache2-manual sles 15.6 | 2.4.66-150600.5.58.1 | [SUSE-SU-2026:5075-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-5075-1.md) | Nov 7, 2026 |
| Linux | apache2-manual sles 15.7 | 2.4.66-150700.4.26.1 | [SUSE-SU-2026:5077-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-5077-1.md) | Nov 7, 2026 |
| Linux | apache2-prefork sles 15.6 | 2.4.66-150600.5.58.1 | [SUSE-SU-2026:5075-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-5075-1.md) | Nov 7, 2026 |
| Linux | apache2-prefork sles 15.7 | 2.4.66-150700.4.26.1 | [SUSE-SU-2026:5077-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-5077-1.md) | Nov 7, 2026 |
| Linux | apache2-suexec-custom Ubuntu 18.04.6 LTS (bionic) | 2.4.29-1ubuntu4.27+esm13 | [apache2-suexec-custom 2.4.29-1ubuntu4.27+esm13](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-apache2-suexec-custom-2.4.29-1ubuntu4.27-esm13.md) | Oct 19, 2026 |
| Linux | apache2-suexec-custom Ubuntu 20.04 LTS (focal) | 2.4.41-4ubuntu3.23+esm9 | [apache2-suexec-custom 2.4.41-4ubuntu3.23+esm9](https://patchblox.com/security/data/fix/linux/ubuntu-focal-apache2-suexec-custom-2.4.41-4ubuntu3.23-esm9.md) | Oct 19, 2026 |
| Linux | apache2-suexec-custom Ubuntu 22.04.1 LTS (jammy) | 2.4.52-1ubuntu4.25 | [apache2-suexec-custom 2.4.52-1ubuntu4.25](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-apache2-suexec-custom-2.4.52-1ubuntu4.25.md) | Oct 19, 2026 |
| Linux | apache2-suexec-custom Ubuntu 24.04.5 LTS (noble) | 2.4.58-1ubuntu8.17 | [apache2-suexec-custom 2.4.58-1ubuntu8.17](https://patchblox.com/security/data/fix/linux/ubuntu-noble-apache2-suexec-custom-2.4.58-1ubuntu8.17.md) | Oct 19, 2026 |
| Linux | apache2-suexec-custom Ubuntu 26.04.1 LTS (resolute) | 2.4.66-2ubuntu2.6 | [apache2-suexec-custom 2.4.66-2ubuntu2.6](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-apache2-suexec-custom-2.4.66-2ubuntu2.6.md) | Oct 1, 2026 |
| Linux | apache2-suexec-pristine Ubuntu 18.04.6 LTS (bionic) | 2.4.29-1ubuntu4.27+esm13 | [apache2-suexec-pristine 2.4.29-1ubuntu4.27+esm13](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-apache2-suexec-pristine-2.4.29-1ubuntu4.27-esm13.md) | Oct 19, 2026 |
| Linux | apache2-suexec-pristine Ubuntu 20.04 LTS (focal) | 2.4.41-4ubuntu3.23+esm9 | [apache2-suexec-pristine 2.4.41-4ubuntu3.23+esm9](https://patchblox.com/security/data/fix/linux/ubuntu-focal-apache2-suexec-pristine-2.4.41-4ubuntu3.23-esm9.md) | Oct 19, 2026 |
| Linux | apache2-suexec-pristine Ubuntu 22.04.1 LTS (jammy) | 2.4.52-1ubuntu4.25 | [apache2-suexec-pristine 2.4.52-1ubuntu4.25](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-apache2-suexec-pristine-2.4.52-1ubuntu4.25.md) | Oct 19, 2026 |
| Linux | apache2-suexec-pristine Ubuntu 24.04.5 LTS (noble) | 2.4.58-1ubuntu8.17 | [apache2-suexec-pristine 2.4.58-1ubuntu8.17](https://patchblox.com/security/data/fix/linux/ubuntu-noble-apache2-suexec-pristine-2.4.58-1ubuntu8.17.md) | Oct 19, 2026 |
| Linux | apache2-suexec-pristine Ubuntu 26.04.1 LTS (resolute) | 2.4.66-2ubuntu2.6 | [apache2-suexec-pristine 2.4.66-2ubuntu2.6](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-apache2-suexec-pristine-2.4.66-2ubuntu2.6.md) | Oct 1, 2026 |
| Linux | apache2-utils Ubuntu 18.04.6 LTS (bionic) | 2.4.29-1ubuntu4.27+esm13 | [apache2-utils 2.4.29-1ubuntu4.27+esm13](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-apache2-utils-2.4.29-1ubuntu4.27-esm13.md) | Oct 19, 2026 |
| Linux | apache2-utils Ubuntu 20.04 LTS (focal) | 2.4.41-4ubuntu3.23+esm9 | [apache2-utils 2.4.41-4ubuntu3.23+esm9](https://patchblox.com/security/data/fix/linux/ubuntu-focal-apache2-utils-2.4.41-4ubuntu3.23-esm9.md) | Oct 19, 2026 |
| Linux | apache2-utils Ubuntu 22.04.1 LTS (jammy) | 2.4.52-1ubuntu4.25 | [apache2-utils 2.4.52-1ubuntu4.25](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-apache2-utils-2.4.52-1ubuntu4.25.md) | Oct 19, 2026 |
| Linux | apache2-utils Ubuntu 24.04.5 LTS (noble) | 2.4.58-1ubuntu8.17 | [apache2-utils 2.4.58-1ubuntu8.17](https://patchblox.com/security/data/fix/linux/ubuntu-noble-apache2-utils-2.4.58-1ubuntu8.17.md) | Oct 19, 2026 |
| Linux | apache2-utils Ubuntu 26.04.1 LTS (resolute) | 2.4.66-2ubuntu2.6 | [apache2-utils 2.4.66-2ubuntu2.6](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-apache2-utils-2.4.66-2ubuntu2.6.md) | Oct 1, 2026 |
| Linux | apache2-utils sles 15.6 | 2.4.66-150600.5.58.1 | [SUSE-SU-2026:5075-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-5075-1.md) | Nov 7, 2026 |
| Linux | apache2-utils sles 15.7 | 2.4.66-150700.4.26.1 | [SUSE-SU-2026:5077-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-5077-1.md) | Nov 7, 2026 |
| Linux | apache2-worker sles 15.6 | 2.4.66-150600.5.58.1 | [SUSE-SU-2026:5075-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-5075-1.md) | Nov 7, 2026 |
| Linux | apache2-worker sles 15.7 | 2.4.66-150700.4.26.1 | [SUSE-SU-2026:5077-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-5077-1.md) | Nov 7, 2026 |
| Linux | httpd amzn 2023 | 2.4.69-1.amzn2023.0.2 | [ALAS2023-2026-3202](https://patchblox.com/security/data/fix/linux/alas2023-2026-3202.md) | Nov 7, 2026 |
| Linux | httpd-core amzn 2023 | 2.4.69-1.amzn2023.0.2 | [ALAS2023-2026-3202](https://patchblox.com/security/data/fix/linux/alas2023-2026-3202.md) | Nov 7, 2026 |
| Linux | httpd-core-debuginfo amzn 2023 | 2.4.69-1.amzn2023.0.2 | [ALAS2023-2026-3202](https://patchblox.com/security/data/fix/linux/alas2023-2026-3202.md) | Nov 7, 2026 |
| Linux | httpd-debuginfo amzn 2023 | 2.4.69-1.amzn2023.0.2 | [ALAS2023-2026-3202](https://patchblox.com/security/data/fix/linux/alas2023-2026-3202.md) | Nov 7, 2026 |
| Linux | httpd-debugsource amzn 2023 | 2.4.69-1.amzn2023.0.2 | [ALAS2023-2026-3202](https://patchblox.com/security/data/fix/linux/alas2023-2026-3202.md) | Nov 7, 2026 |
| Linux | httpd-devel amzn 2023 | 2.4.69-1.amzn2023.0.2 | [ALAS2023-2026-3202](https://patchblox.com/security/data/fix/linux/alas2023-2026-3202.md) | Nov 7, 2026 |
| Linux | httpd-filesystem amzn 2023 | 2.4.69-1.amzn2023.0.2 | [ALAS2023-2026-3202](https://patchblox.com/security/data/fix/linux/alas2023-2026-3202.md) | Nov 7, 2026 |
| Linux | httpd-manual amzn 2023 | 2.4.69-1.amzn2023.0.2 | [ALAS2023-2026-3202](https://patchblox.com/security/data/fix/linux/alas2023-2026-3202.md) | Nov 7, 2026 |
| Linux | httpd-tools amzn 2023 | 2.4.69-1.amzn2023.0.2 | [ALAS2023-2026-3202](https://patchblox.com/security/data/fix/linux/alas2023-2026-3202.md) | Nov 7, 2026 |
| Linux | httpd-tools-debuginfo amzn 2023 | 2.4.69-1.amzn2023.0.2 | [ALAS2023-2026-3202](https://patchblox.com/security/data/fix/linux/alas2023-2026-3202.md) | Nov 7, 2026 |
| Linux | libapache2-mod-md Ubuntu 20.04 LTS (focal) | 2.4.41-4ubuntu3.23+esm9 | [libapache2-mod-md 2.4.41-4ubuntu3.23+esm9](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libapache2-mod-md-2.4.41-4ubuntu3.23-esm9.md) | Oct 19, 2026 |
| Linux | libapache2-mod-md Ubuntu 22.04.1 LTS (jammy) | 2.4.52-1ubuntu4.25 | [libapache2-mod-md 2.4.52-1ubuntu4.25](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libapache2-mod-md-2.4.52-1ubuntu4.25.md) | Oct 19, 2026 |
| Linux | libapache2-mod-md Ubuntu 24.04.5 LTS (noble) | 2.4.58-1ubuntu8.17 | [libapache2-mod-md 2.4.58-1ubuntu8.17](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libapache2-mod-md-2.4.58-1ubuntu8.17.md) | Oct 19, 2026 |
| Linux | libapache2-mod-proxy-uwsgi Ubuntu 20.04 LTS (focal) | 2.4.41-4ubuntu3.23+esm9 | [libapache2-mod-proxy-uwsgi 2.4.41-4ubuntu3.23+esm9](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libapache2-mod-proxy-uwsgi-2.4.41-4ubuntu3.23-esm9.md) | Oct 19, 2026 |
| Linux | libapache2-mod-proxy-uwsgi Ubuntu 22.04.1 LTS (jammy) | 2.4.52-1ubuntu4.25 | [libapache2-mod-proxy-uwsgi 2.4.52-1ubuntu4.25](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libapache2-mod-proxy-uwsgi-2.4.52-1ubuntu4.25.md) | Oct 19, 2026 |
| Linux | libapache2-mod-proxy-uwsgi Ubuntu 24.04.5 LTS (noble) | 2.4.58-1ubuntu8.17 | [libapache2-mod-proxy-uwsgi 2.4.58-1ubuntu8.17](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libapache2-mod-proxy-uwsgi-2.4.58-1ubuntu8.17.md) | Oct 19, 2026 |
| Linux | mod_http2 amzn 2023 | 1:2.4.69-1.amzn2023.0.2 | [ALAS2023-2026-3202](https://patchblox.com/security/data/fix/linux/alas2023-2026-3202.md) | Nov 7, 2026 |
| Linux | mod_http2-debuginfo amzn 2023 | 1:2.4.69-1.amzn2023.0.2 | [ALAS2023-2026-3202](https://patchblox.com/security/data/fix/linux/alas2023-2026-3202.md) | Nov 7, 2026 |
| Linux | mod_ldap amzn 2023 | 2.4.69-1.amzn2023.0.2 | [ALAS2023-2026-3202](https://patchblox.com/security/data/fix/linux/alas2023-2026-3202.md) | Nov 7, 2026 |
| Linux | mod_ldap-debuginfo amzn 2023 | 2.4.69-1.amzn2023.0.2 | [ALAS2023-2026-3202](https://patchblox.com/security/data/fix/linux/alas2023-2026-3202.md) | Nov 7, 2026 |
| Linux | mod_lua amzn 2023 | 2.4.69-1.amzn2023.0.2 | [ALAS2023-2026-3202](https://patchblox.com/security/data/fix/linux/alas2023-2026-3202.md) | Nov 7, 2026 |
| Linux | mod_lua-debuginfo amzn 2023 | 2.4.69-1.amzn2023.0.2 | [ALAS2023-2026-3202](https://patchblox.com/security/data/fix/linux/alas2023-2026-3202.md) | Nov 7, 2026 |
| Linux | mod_proxy_html amzn 2023 | 1:2.4.69-1.amzn2023.0.2 | [ALAS2023-2026-3202](https://patchblox.com/security/data/fix/linux/alas2023-2026-3202.md) | Nov 7, 2026 |
| Linux | mod_proxy_html-debuginfo amzn 2023 | 1:2.4.69-1.amzn2023.0.2 | [ALAS2023-2026-3202](https://patchblox.com/security/data/fix/linux/alas2023-2026-3202.md) | Nov 7, 2026 |
| Linux | mod_session amzn 2023 | 2.4.69-1.amzn2023.0.2 | [ALAS2023-2026-3202](https://patchblox.com/security/data/fix/linux/alas2023-2026-3202.md) | Nov 7, 2026 |
| Linux | mod_session-debuginfo amzn 2023 | 2.4.69-1.amzn2023.0.2 | [ALAS2023-2026-3202](https://patchblox.com/security/data/fix/linux/alas2023-2026-3202.md) | Nov 7, 2026 |
| Linux | mod_ssl amzn 2023 | 1:2.4.69-1.amzn2023.0.2 | [ALAS2023-2026-3202](https://patchblox.com/security/data/fix/linux/alas2023-2026-3202.md) | Nov 7, 2026 |
| Linux | mod_ssl-debuginfo amzn 2023 | 1:2.4.69-1.amzn2023.0.2 | [ALAS2023-2026-3202](https://patchblox.com/security/data/fix/linux/alas2023-2026-3202.md) | Nov 7, 2026 |

---

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