---
title: "CVE-2026-105641: Plane - Authentication Bypass"
description: "Plane prior to 1.4.0 contains a broken authentication caused by fixed, publicly known SECRET_KEY and LIVE_SERVER_SECRET_KEY defaults in deployment manifests, letting attackers forge Django-signed values and bypass live-service authentication, exploit requires unchanged default secrets."
url: https://panop.io/threat-heartbeat/CVE-2026-105641/
---

# CVE-2026-105641 Plane - Authentication Bypass

Plane prior to 1.4.0 contains a broken authentication caused by fixed, publicly known SECRET\_KEY and LIVE\_SERVER\_SECRET\_KEY defaults in deployment manifests, letting attackers forge Django-signed values and bypass live-service authentication, exploit requires unchanged default secrets.

CVSS base score 9.8 /10

Critical

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.46% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-105641)

## Details

Type

Authentication Bypass

Impact

Broken Authentication

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Published

5 October 2026

Updated

15 October 2026

Weakness

[CWE-798](https://cwe.mitre.org/data/definitions/798.html)

## Vendor fix

Update to version 1.4.0 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-105641](https://nvd.nist.gov/vuln/detail/CVE-2026-105641)
- [https://github.com/makeplane/plane/commit/1acc69e816a9a8789032bf711aa9a3c12fcd285c](https://github.com/makeplane/plane/commit/1acc69e816a9a8789032bf711aa9a3c12fcd285c)
- [https://github.com/makeplane/plane/pull/9291](https://github.com/makeplane/plane/pull/9291)
- [https://github.com/makeplane/plane/releases/tag/v1.4.0](https://github.com/makeplane/plane/releases/tag/v1.4.0)
- [https://github.com/makeplane/plane/security/advisories/GHSA-cmwv-pjmw-8483](https://github.com/makeplane/plane/security/advisories/GHSA-cmwv-pjmw-8483)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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