CVE-2026-78179: rexrainbow phaser3-rex-notes BehaviorTree Blackboard Data SetValue.js SetValue prototype pollution

Severity: medium (CVSS 6.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-08-24 · updated 2026-10-12
Weakness: CWE-94

Description

A vulnerability was identified in rexrainbow phaser3-rex-notes up to 1.80.17. This vulnerability affects the function SetValue of the file plugins/utils/object/SetValue.js of the component BehaviorTree Blackboard Data Interface. Such manipulation of the argument key leads to improperly controlled modification of object prototype attributes. The attack can be launched remotely.

Affected products

rexrainbow phaser3-rex-notes: 1.80.0, 1.80.1, 1.80.2, 1.80.3, 1.80.4, 1.80.5 (+12)

References

https://github.com/rexrainbow/phaser3-rex-notes/
https://github.com/rexrainbow/phaser3-rex-notes/issues/572
https://vuldb.com/cve/CVE-2026-78179
https://vuldb.com/submit/884183
https://vuldb.com/vuln/394563
https://vuldb.com/vuln/394563/cti

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