Security Advisory

CVE-2026-42077

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-05-04 16:50:15

Last updated 2026-05-06 13:40:54

Assigner GitHub_M

CVSS score 5.2

State PUBLISHED

Description

Evolver is a GEP-powered self-evolving engine for AI agents. Prior to version 1.69.3, a prototype pollution vulnerability in the mailbox store module allows attackers to modify the behavior of all JavaScript objects by injecting malicious properties into Object.prototype. The vulnerability exists in the _applyUpdate() and _updateRecord() functions which use Object.assign() to merge user-controlled data without filtering dangerous keys like __proto__, constructor, or prototype. This issue has been patched in version 1.69.3.

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