CVE-2019-1000012

Severity: high (CVSS 8.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-02-04 · updated 2026-06-17
Weakness: CWE-345

Description

Hex package manager version 0.14.0 through 0.18.2 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 0.19.

Affected products

hexpm hex: from 0.14.0 through 0.18.2

References

https://github.com/hexpm/hex/pull/646
https://github.com/hexpm/hex/pull/651
https://github.com/hexpm/hex/pull/646
https://github.com/hexpm/hex/pull/651

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