CVE-2026-23939

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Source

https://cve.org/CVERecord?id=CVE-2026-23939

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-23939.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-23939

Aliases

EEF-CVE-2026-23939
GHSA-42mv-r64p-4869

Published

2026-02-26T19:41:18.762Z

Modified

2026-07-08T07:28:24.771789808Z

Severity

6.9 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N CVSS Calculator

Summary

Path Traversal in Local File Store Backend

Details

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in hexpm hexpm/hexpm ('Elixir.Hexpm.Store.Local' module) allows Relative Path Traversal. This vulnerability is associated with program files lib/hexpm/store/local.ex and program routines 'Elixir.Hexpm.Store.Local':get/3, 'Elixir.Hexpm.Store.Local':put/4, 'Elixir.Hexpm.Store.Local':delete/2, 'Elixir.Hexpm.Store.Local':delete_many/2.

This issue does NOT affect hex.pm the service. Only self-hosted deployments using the Local Storage backend are affected.

This issue affects hexpm: from 931ee0ed46fa89218e0400a4f6e6d15f96406050 before 5d2ccd2f14f45a63225a73fb5b1c937baf36fdc0.

Database specific

{
    "cna_assigner": "EEF",
    "cwe_ids": [
        "CWE-22"
    ],
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "introduced": "931ee0ed46fa89218e0400a4f6e6d15f96406050"
                },
                {
                    "fixed": "5d2ccd2f14f45a63225a73fb5b1c937baf36fdc0"
                }
            ],
            "source": "AFFECTED_FIELD"
        },
        {
            "extracted_events": [
                {
                    "introduced": "931ee0ed46fa89218e0400a4f6e6d15f96406050"
                },
                {
                    "fixed": "5d2ccd2f14f45a63225a73fb5b1c937baf36fdc0"
                }
            ],
            "source": "DESCRIPTION"
        }
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23939.json"
}

References

Affected packages

Git / github.com/hexpm/hexpm

Affected ranges

Type

GIT

Repo

https://github.com/hexpm/hexpm

Events

Introduced

Fixed

5d2ccd2f14f45a63225a73fb5b1c937baf36fdc0

Database specific

{
    "source": "REFERENCES"
}

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-23939.json"