CVE-2026-111869: makeplane API Endpoint reliance on untrusted inputs in a security decision

Published Oct 18, 2026
·
Updated

A vulnerability was identified in makeplane plane up to 1.4.2. Impacted is an unknown function of the component API Endpoint. Such manipulation of the argument X-Forwarded-For leads to reliance on untrusted inputs in a security decision. It is possible to launch the attack remotely. The exploit is publicly available and might be used.

Affected Software

1 affected component
Makeplane Plane<=1.4.2

Event History

Oct 18, 2026
CVE Published
via MITRE·02:45 AM
Data Sourced
via MITRE·02:45 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·03:16 AM
DescriptionSeverityWeakness
Event
via NVD·04:04 AM

Frequently Asked Questions

1

Which deployments are affected?

Makeplane Plane versions up to 1.4.2 are identified as affected. The vulnerable functionality is in an API Endpoint, although the specific function is not identified.

2

What does an attacker need to exploit this issue?

The attack can be launched remotely without stated privileges or user interaction. It involves manipulating the X-Forwarded-For argument so that the API endpoint makes a security decision based on untrusted input.

3

Is exploitation likely to be practical?

A public exploit is available and may be used. The supplied severity vector rates attack complexity as low and indicates no privileges or user interaction are required.

Contact

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