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Vulnerability record · CVE-2019-1000013 · published 4 February 2019

CVE-2019-1000013: Hex core insufficient verification of data authenticity vulnerability

Hex · Hex Core

Hex package manager hex_core version 0.3.0 and earlier contains a Signing oracle vulnerability in Package registry verification that can result in Package modifications not detected, allowing code execution. This attack appears to be exploitable via victim fetches packages from malicious/compromised mirror. This vulnerability appears to have been fixed in 0.4.0.

8.8 CVSS 3.0 High EPSS 0.88% · top 42.6% CWE-345 · Insufficient verification of data authenticity
8.8CVSS 3.0 base score, v2 6.8
0.88%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

Hex package manager hex_core version 0.3.0 and earlier contains a Signing oracle vulnerability in Package registry verification that can result in Package modifications not detected, allowing code execution. This attack appears to be exploitable via victim fetches packages from malicious/compromised mirror. This vulnerability appears to have been fixed in 0.4.0.

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/hexpm/hex_core/pull/48 PatchThird Party Advisory
https://github.com/hexpm/hex_core/pull/51 PatchThird Party Advisory
https://github.com/hexpm/hex_core/pull/48 PatchThird Party Advisory
https://github.com/hexpm/hex_core/pull/51 PatchThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

2.0CVE-2026-21619Erlang rebar3 uncontrolled resource consumption vulnerabilityUncontrolled Resource Consumption, Deserialization of Untrusted Data vulnerability in hexpm hex_core (hex_api modules), hexpm hex (mix_hex_api module…EPSS 0.60%7.8CVE-2023-38831WinRAR ZIP archive spoofing leads to arbitrary code executionWinRAR before 6.23 mishandles ZIP archives that contain a benign file and a folder with the same name, causing the folder's contents to be processed …KEVEPSS 100%analysed9.8CVE-2022-26871Trend Micro Apex Central unauthenticated arbitrary file uploadTrend Micro Apex Central (and Apex One) contains an arbitrary file upload flaw caused by insufficient verification of data authenticity (CWE-345). An…KEVEPSS 19%analysed

Source: NIST National Vulnerability Database (record CVE-2019-1000013), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.