CVE-2026-78179 rexrainbow CVE debrief

Who should care

Defenders responsible for systems using rexrainbow phaser3-rex-notes up to 1.80.17 should assess the potential impact on their systems and verify the presence of this vulnerability in their inventory.

Why it matters

Defenders should prioritize verifying the presence of this vulnerability in their inventory and assessing the potential impact on their systems, as it allows for improperly controlled modification of object prototype attributes, potentially leading to remote attacks.

• Verification of affected versions is required
• Potential remote attack surface needs assessment
• Impact on object prototype attributes needs evaluation

Technical summary

The vulnerability affects the function SetValue of the file plugins/utils/object/SetValue.js of the component BehaviorTree Blackboard Data Interface in rexrainbow phaser3-rex-notes up to 1.80.17, allowing for improperly controlled modification of object prototype attributes. This could lead to remote attacks if exploited, emphasizing the need for defenders to verify the presence of this vulnerability in their inventory and assess the potential impact on their systems. The attack can be launched remotely, and defenders should prioritize verifying affected versions and evaluating the potential impact on object prototype attributes.

Defensive priority

Defenders should prioritize verifying the presence of this vulnerability in their inventory and assessing the potential impact on their systems.

Recommended defensive actions

• Verify the presence of phaser3-rex-notes up to 1.80.17 in your inventory
• Assess the potential impact on your systems
• Monitor for potential remote attacks
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed

Evidence notes

The CVE record and NVD entry provide details about the vulnerability in rexrainbow phaser3-rex-notes up to 1.80.17, affecting the function SetValue of the file plugins/utils/object/SetValue.js. The scope of affected versions and potential impact require further verification by defenders, who should check for the presence of this vulnerability in their inventory and assess the potential impact on their systems.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.