---
id: "CVE-2021-32648"
kind: "vulnerability"
aliases: ["CVE-2021-32648"]
title: "October CMS October CMS: October CMS Improper Authentication"
severity: "critical"
cvss: 9.1
epss: 0.90418
exploited: true
status: "open"
category: "runtime"
products: [{"name": "October CMS October CMS", "fixed": [], "affected": "", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["exploited", "october-cms", "php", "runtime", "self-hosted"]
not_affected_if: ["unknown"]
published_at: "2021-08-26T19:15:07+00:00"
first_seen_at: "2026-10-23T19:11:53+00:00"
updated_at: "2026-10-23T21:57:35+00:00"
sources: [{"source": "kev", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2021-32648", "first_seen_at": "2026-10-23T19:11:53+00:00"}, {"source": "epss", "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-32648", "first_seen_at": "2026-10-23T19:13:44+00:00"}, {"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-32648", "first_seen_at": "2026-10-23T21:57:35+00:00"}]
---

# October CMS October CMS: October CMS Improper Authentication

October CMS, a PHP content management system, has an authentication flaw in its october/system package that lets an attacker reset an account password and take over the account with a crafted request. CISA lists it as actively exploited in the wild.

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

## Affected

- vendor:October CMS October CMS affected ? fixed ?

## Fix

Apply the vendor update for the october/system package per October CMS instructions; the fixed version is not stated in the sources.

## Timeline

- 2026-10-23T19:11:53+00:00 kev https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2021-32648
- 2026-10-23T19:13:44+00:00 epss https://api.first.org/data/v1/epss?cve=CVE-2021-32648
- 2026-10-23T21:57:35+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2021-32648

## From the sources

octobercms in a CMS platform based on the Laravel PHP Framework. In affected versions of the october/system package an attacker can request an account password reset and then gain access to the account using a specially crafted request. The issue has been patched in Build 472 and v1.1.5.

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