# Multiple vulnerabilities in Apache HTTP Server

Published: 2026-10-02 · Severity: elevated
Canonical: https://vorant.io/reports/c1619d76-93ae-5979-988a-1c4b9655378a/multiple-vulnerabilities-in-apache-http-server

> Multiple vulnerabilities in Apache HTTP Server versions before 2.4.69 enable remote code execution, denial of service, and data disclosure.

Apache HTTP Server versions prior to 2.4.69 are affected by multiple vulnerabilities that enable remote attackers to execute arbitrary code, cause denial of service, disclose sensitive data, and bypass security policies. The CERT-FR advisory references 18 distinct CVEs affecting the affected versions. Apache has released version 2.4.69 on October 1, 2026, which addresses these issues. Organizations running Apache HTTP Server should upgrade immediately to mitigate the risks of remote code execution and unauthorized access.

## Mentioned in this report

- Vulnerabilities: CVE-2026-42356, CVE-2026-42528, CVE-2026-46729, CVE-2026-47360, CVE-2026-48005, CVE-2026-56153, CVE-2026-56154, CVE-2026-56449, CVE-2026-57941, CVE-2026-58415, CVE-2026-59685, CVE-2026-59797, CVE-2026-63045, CVE-2026-63292, CVE-2026-63686, CVE-2026-63718, CVE-2026-73636, CVE-2026-73637, CVE-2026-79768, CVE-2026-93546

## Detection guidance (public sample)

### Apache HTTP Server Spawning Shell on Linux

ATT&CK: T1190

Apache httpd/apache2 parent process spawning an interactive shell or common post-exploitation utility, indicating possible RCE via a web vulnerability. Auto-generated starting point — validate and tune in your environment before deploying. IOC matches can false-positive on shared infrastructure and decay as adversary infrastructure rotates.

```yaml
title: Apache HTTP Server Spawning Shell on Linux
description: Detects the Apache web server process (httpd/apache2) spawning a shell
  or common recon/download utility. This is the typical post-exploitation pattern
  after remote code execution in a public-facing web server. Matches the parent/child
  relation, not any specific CVE payload.
tags:
- attack.initial-access
- attack.t1190
- attack.execution
- attack.t1203
logsource:
  category: process_creation
  product: linux
detection:
  selection_parent:
    ParentImage|endswith:
    - /apache2
    - /httpd
  selection_child:
    Image|endswith:
    - /sh
    - /bash
    - /dash
    - /zsh
    - /whoami
    - /id
    - /wget
    - /curl
    - /nc
    - /ncat
    - /python
    - /python3
    - /perl
  filter_admin:
    CommandLine|contains:
    - apachectl
    - apache2ctl
    - logrotate
  condition: selection_parent and selection_child and not filter_admin
falsepositives:
- CGI or mod_cgi scripts that legitimately invoke shell wrappers
- Web applications that shell out to curl or python for backend tasks
level: medium
id: 29d4def1-cb25-552c-8a5f-626f4129d138
status: experimental
author: Vorant
references:
- https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-1248
```

### Apache httpd.exe Spawning Command Interpreter or LOLBin on Windows

ATT&CK: T1190

Apache httpd.exe spawning cmd, PowerShell or download/recon utilities, indicating possible exploitation of the web server. Auto-generated starting point — validate and tune in your environment before deploying. IOC matches can false-positive on shared infrastructure and decay as adversary infrastructure rotates.

```yaml
title: Apache httpd.exe Spawning Command Interpreter or LOLBin on Windows
description: Detects httpd.exe (Apache HTTP Server on Windows) spawning cmd, PowerShell,
  or common LOLBins used for payload download and reconnaissance. Indicates likely
  code execution through exploitation of the web server.
tags:
- attack.initial-access
- attack.t1190
- attack.execution
- attack.t1203
logsource:
  category: process_creation
  product: windows
detection:
  selection:
    ParentImage|endswith: \httpd.exe
    Image|endswith:
    - \cmd.exe
    - \powershell.exe
    - \pwsh.exe
    - \wscript.exe
    - \cscript.exe
    - \mshta.exe
    - \certutil.exe
    - \bitsadmin.exe
    - \whoami.exe
    - \net.exe
    - \net1.exe
    - \curl.exe
  condition: selection
falsepositives:
- CGI scripts or PHP applications on Windows that call cmd.exe for legitimate tasks
- Administrative tooling launched through Apache-hosted management panels
level: high
id: f0990d8d-c378-5658-a715-74d9b6495214
status: experimental
author: Vorant
references:
- https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-1248
```

Behavioural rules are generated from public reporting — validate in your environment before deploying.

Source reporting: https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-1248

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