CVE-2026-23940 — Uncontrolled Resource Consumption vulnerability in hexpm hexpm/hexpm allows…
🚨 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
Denial of Service via Oversized Package Upload
cna.erlef.org
What This Means For You
- New vulnerability disclosed — verify if your stack is exposed.
- Supply chain risk — audit dependencies and third-party integrations.
Related ATT&CK Techniques
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-23940 | DoS | hexpm hexpm/hexpm: before 495f01607d3eae4aed7ad09b2f54f31ec7a7df01; hex.pm: before 2026-03-10. Vulnerability: Uncontrolled Resource Consumption leading to Excessive Allocation. Affected component: Package extraction during publishing. |
Source & Attribution
| Source Platform | Telegram |
| Channel | CVE Notify |
| Channel ID | 1129491012 |
| Message ID | 158194 |
| Published | April 06, 2026 at 20:27 UTC |
| Original Link | https://cna.erlef.org/cves/CVE-2026-23940.html |
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