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 hex.pm: before 2026-03-10.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://cna.erlef.org/cves/CVE-2026-23940.html
https://github.com/hexpm/hexpm/commit/495f01607d3eae4aed7ad09b2f54f31ec7a7df01	Patch
https://github.com/hexpm/hexpm/commit/82911daf5f8fb2ab44f298e3ba22b90bc1ae3746
https://github.com/hexpm/hexpm/security/advisories/GHSA-jp8w-gxf6-8hcr	Mitigation Vendor Advisory
https://osv.dev/vulnerability/EEF-CVE-2026-23940

Configurations

Configuration 1 (hide)

cpe:2.3:a:hex:hexpm:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-03-13 19:54

Updated : 2026-09-08 14:17

NVD link : CVE-2026-23940

Mitre link : CVE-2026-23940

CVE.ORG link : CVE-2026-23940

JSON object : View

Products Affected

hex

hexpm

CWE

CWE-400

Uncontrolled Resource Consumption

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This can terminate the affected application instance and result in a denial of service for package publishing and potentially other package-processing functionality.\n\nThis issue affects hex.pm: before 2026-03-10."}, {"lang": "es", "value": "Una vulnerabilidad de consumo de recursos no controlado en hexpm hexpm/hexpm permite una asignaci\u00f3n excesiva. Publicar un paquete sobredimensionado puede hacer que Hex.pm se quede sin memoria mientras extrae el tarball del paquete subido. 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