gchq/CyberChef

bug(AMF Encode): Uncaught TypeError setting getter-only property "value"

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#2,490 opened on Jun 4, 2026

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 (0 comments) (0 reactions) (0 assignees)JavaScript (3,944 forks)batch import
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Description

To reproduce that, drag AMF Encode and set the input simply to {"a": true} as you can see an unhandled TypeError appear thrown as that

AMF Encode - TypeError in https://gchq.github.io/CyberChef/modules/Encodings.js on line 2.<br><br>Message: setting getter-only property "value"

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Contributor guide

Research direction
Find where the AMF Encode operation sets a property that is getter only; likely in the output handling or when assigning to the 'value' property of an object that has a getter without a setter.
Tech stack
javascript
Domain
backend
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
JavaScript
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
70