---
title: "CVE-2026-104892: Plane - Authentication Bypass"
description: "Plane < 1.4.0 contains a broken authentication vulnerability caused by aPITokenLogMiddleware logging API keys in plaintext, letting low-privilege attackers steal API keys and escalate privileges, exploit requires low privilege access."
url: https://panop.io/threat-heartbeat/CVE-2026-104892/
---

# CVE-2026-104892 Plane - Authentication Bypass

Plane < 1.4.0 contains a broken authentication vulnerability caused by aPITokenLogMiddleware logging API keys in plaintext, letting low-privilege attackers steal API keys and escalate privileges, exploit requires low privilege access.

CVSS base score 8.7 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.25% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-104892)

## Details

Type

Authentication Bypass

Impact

Privilege Escalation, 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-256](https://cwe.mitre.org/data/definitions/256.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-2026-104892](https://nvd.nist.gov/vuln/detail/CVE-2026-104892)
- [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-r5p8-cj3q-38cc](https://github.com/makeplane/plane/security/advisories/GHSA-r5p8-cj3q-38cc)
- [https://github.com/makeplane/plane/commit/edf247541301e482f2688c63481464b671ec579d](https://github.com/makeplane/plane/commit/edf247541301e482f2688c63481464b671ec579d)
- [https://github.com/makeplane/plane/pull/9148](https://github.com/makeplane/plane/pull/9148)

[← All CVEs](https://panop.io/threat-heartbeat/)

## 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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