---
title: "CVE-2026-105632: Plane - Broken Access Control"
description: "Plane prior to 1.4.0 contains a broken access control caused by insufficient project visibility checks in the GraphQL joinProject mutation, letting any workspace member add themselves to private projects with full Member role, exploit requires workspace membership."
url: https://panop.io/threat-heartbeat/CVE-2026-105632/
---

# CVE-2026-105632 Plane - Broken Access Control

Plane prior to 1.4.0 contains a broken access control caused by insufficient project visibility checks in the GraphQL joinProject mutation, letting any workspace member add themselves to private projects with full Member role, exploit requires workspace membership.

CVSS base score 8.7 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.31% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-105632)

## Details

Type

Broken Access Control

Impact

Broken Access Control, Data Tampering, Information Disclosure

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Published

5 October 2026

Updated

15 October 2026

Weakness

[CWE-284](https://cwe.mitre.org/data/definitions/284.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-2026-105632](https://nvd.nist.gov/vuln/detail/CVE-2026-105632)
- [https://github.com/makeplane/plane/commit/e1ef42023ab66b5e722a8750e1bc5ba0d413a3ee](https://github.com/makeplane/plane/commit/e1ef42023ab66b5e722a8750e1bc5ba0d413a3ee)
- [https://github.com/makeplane/plane/pull/9333](https://github.com/makeplane/plane/pull/9333)
- [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-45hc-q4mw-jhxm](https://github.com/makeplane/plane/security/advisories/GHSA-45hc-q4mw-jhxm)

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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

Panop answers these inside your environment, for this CVE and every other finding.

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