What’s Vulnerable › Vulnerabilities

CVE-2021-41126: Deleted Admin Can Sign In to Admin Interface

• Severity: medium (CVSS 6.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-10-06 · updated 2026-06-17
• Weakness: CWE-287

Description

October is a Content Management System (CMS) and web platform built on the the Laravel PHP Framework. In affected versions administrator accounts which had previously been deleted may still be able to sign in to the backend using October CMS v2.0. The issue has been patched in v2.1.12 of the october/october package. There are no workarounds for this issue and all users should update.

Affected products

• octobercms october: from 2.0.0 before 2.1.12 — fixed in 2.1.12

How to fix

Upgrade to a fixed version: octobercms october 2.1.12. Check the vendor advisory for mitigations.

References

• https://github.com/octobercms/october/security/advisories/GHSA-6gjf-7w99-j7x7
• https://octobercms.com/changelog
• https://github.com/octobercms/october/security/advisories/GHSA-6gjf-7w99-j7x7
• https://octobercms.com/changelog

Get alerted when CVE-2021-41126 or the next vulnerability affects your stack