HIGH SeverityCVSS 4.07.1CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

CVE-2026-23940

Last updated Apr 06, 2026 · Published Mar 13, 2026

Description

Uncontrolled Resource Consumption vulnerability in hexpm hexpm/hexpm allows Excessive Allocation. Publishing an oversized package can cause Hex.pm to run out of memory while extracting the uploaded package tarball. This can terminate the affected application instance and result in a denial of service for package publishing and potentially other package-processing functionality. This issue affects hexpm: before 495f01607d3eae4aed7ad09b2f54f31ec7a7df01; hex.pm: before 2026-03-10.

Affected products

1 listed

hexpm:hex.pm; hexpm:hexpm

Mappings

CWE

CWE-400

CAPEC

CAPEC-130