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CVE-2026-23940

Published: Mar 13, 2026

Modified: Apr 6, 2026

PUBLISHED

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.

Vendor	Product	Versions
hexpm	hexpm	affected `0 - < 495f01607d3eae4aed7ad09b2f54f31ec7a7df01`
hexpm	hex.pm	affected `0 - < 2026-03-10`

Weaknesses (CWE)

References

https://github.com/hexpm/hexpm/security/advisories/GHSA-jp8w-gxf6-8hcr

vendor-advisory

related

https://cna.erlef.org/cves/CVE-2026-23940.html

related

https://osv.dev/vulnerability/EEF-CVE-2026-23940

related

https://github.com/hexpm/hexpm/commit/495f01607d3eae4aed7ad09b2f54f31ec7a7df01

patch

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