Is CVE-2021-41126 actively exploited?

No active exploitation of CVE-2021-41126 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-41126 be exploited remotely?

Yes. CVE-2021-41126 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-41126?

CVE-2021-41126 has a CVSS score of 7.2 (HIGH).

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HIGH

CVE-2021-41126

CWE-287Published: October 6, 2021· Updated: Jun 17, 2026

7.2

CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2021-41126 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.2.

From a weakness classification perspective (CWE-287): Authentication bypass vulnerabilities allow attackers to access protected resources without valid credentials.