CVE-2026-34032 — Apache HTTP Server: Out-of-Bounds $1

title: CVE-2026-34032 - Apache HTTP Server Out-of-Bounds Read Attempt
id: scw-2026-05-04-ai-1
status: experimental
level: high
description: |
  Detects attempts to exploit CVE-2026-34032 in Apache HTTP Server. This vulnerability is an out-of-bounds read that can be triggered by malformed requests. The presence of '%%' in the URI is a common indicator of attempts to exploit string formatting vulnerabilities like this one, where the server might incorrectly process the input, leading to an out-of-bounds read.
author: SCW Feed Engine (AI-generated)
date: 2026-05-04
references:
  - https://shimiscyberworld.com/posts/nvd-CVE-2026-34032/
tags:
  - attack.initial_access
  - attack.t1190
logsource:
    category: webserver
detection:
  selection:
      cs-uri|contains:
          - '/%%'
      condition: selection
falsepositives:
  - Legitimate administrative activity

Source: Shimi's Cyber World · License & reuse