rexrainbow phaser3-rex-notes up to 1.80.17 BehaviorTree Blackboard Data Interface SetValue.js SetValue key prototype pollution

Summaryinfo

A vulnerability, which was classified as critical, has been found in rexrainbow phaser3-rex-notes up to 1.80.17. This issue affects the function SetValue of the file plugins/utils/object/SetValue.js of the component BehaviorTree Blackboard Data Interface. Performing a manipulation of the argument key results in prototype pollution. This vulnerability was named CVE-2026-78179. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as critical, was found in rexrainbow phaser3-rex-notes up to 1.80.17. This affects the function SetValue of the file plugins/utils/object/SetValue.js of the component BehaviorTree Blackboard Data Interface. The manipulation of the argument key with an unknown input leads to a prototype pollution vulnerability. CWE is classifying the issue as CWE-1321. The product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype. This is going to have an impact on confidentiality, integrity, and availability.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-78179. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/23/2026). The attack technique deployed by this issue is T1059 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• rexrainbow

Name

• phaser3-rex-notes

Version

• 1.80.0
• 1.80.1
• 1.80.2
• 1.80.3
• 1.80.4
• 1.80.5
• 1.80.6
• 1.80.7
• 1.80.8
• 1.80.9
• 1.80.10
• 1.80.11
• 1.80.12
• 1.80.13
• 1.80.14
• 1.80.15
• 1.80.16
• 1.80.17

Website

• Product: https://github.com/rexrainbow/phaser3-rex-notes/

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Submitinfo

Accepted

• Submit #884183: Node.js phaser3-rex-plugins 1.80.17 Prototype Pollution (by wjm3)

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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