---
id: "CVE-2026-118582"
kind: "vulnerability"
aliases: ["CVE-2026-118582"]
title: "Drupal CAPTCHA module: alternate path lets bots skip the CAPTCHA check"
severity: "unknown"
cvss: null
epss: null
exploited: false
status: "open"
category: "package"
products: []
ecosystems: []
tags: ["captcha", "drupal", "package", "php"]
not_affected_if: ["module-not-installed"]
published_at: "2026-10-30T04:18:23+00:00"
first_seen_at: "2026-10-30T04:28:39+00:00"
updated_at: "2026-10-30T04:29:00+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-118582", "first_seen_at": "2026-10-30T04:28:39+00:00"}]
---

# Drupal CAPTCHA module: alternate path lets bots skip the CAPTCHA check

The Drupal CAPTCHA module has an authentication bypass through an alternate path or channel, letting a request skip the CAPTCHA protection. The sources say an attacker can bypass functionality, but they do not state the exact data or access gained.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- Check the installed CAPTCHA module version with `drush pm:list --filter=captcha` or the Drupal admin Extend page.
- Treat versions `1.18.0` and earlier, and `2.0.0` through `2.0.11`, as affected.

## Fix

- Move to a CAPTCHA release after `2.0.11` for the 2.x line, or after `1.18.0` for the 1.x line; the sources do not name the exact fixed version.

## Timeline

- 2026-10-30T04:28:39+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-118582

## From the sources

Authentication Bypass Using an Alternate Path or Channel vulnerability in Drupal CAPTCHA allows Functionality Bypass. This issue affects CAPTCHA versions: from 0.0.0 to 1.18.0, from 2.0.0 to 2.0.11.

---

_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_