CVE-2019-1000013

CVE-2019-1000013 is a high-severity signing oracle vulnerability affecting hex_core versions 0.3.0 and earlier, a component of the Hex package manager. This flaw allows attackers to modify packages without detection, potentially leading to remote code execution when victims fetch packages from malicious or compromised mirrors. With a CVSS score of 8.8, the vulnerability is easily exploitable over the network with low attack complexity, requiring user interaction. While there is no evidence of active exploitation, public exploit code, or significant community discussion, the potential for high impact on confidentiality, integrity, and availability necessitates prompt patching to version 0.4.0 or later.