CVE-2026-23940
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.
Published:Mar 13, 2026
Last Modified:Apr 6, 2026
EPS:Mar 13, 2026
EPSS Score:0.00049
CVSS Score:6.5
Affected Products
Vendor
Product
Action
Vendor
Hex
Product
Hexpm
Hex
Hexpm
Vendor
Hexpm
Product
Hexpm
Hexpm
Hexpm
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Related CVEs
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
