Description
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.
References (4)
Core 4
Core References
Vendor Advisory vendor-advisory
related
https://github.com/hexpm/hexpm/security/advisories/GHSA-42mv-r64p-4869
Related related
https://cna.erlef.org/cves/CVE-2026-23939.html
Related related
https://osv.dev/vulnerability/EEF-CVE-2026-23939
Scores
CVSS v3
7.5
EPSS
0.0008
EPSS Percentile
22.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-22
Status
published
Products (3)
hex/hexpm
2014-09-29 - 2026-02-26
hexpm/hexpm
931ee0ed46fa89218e0400a4f6e6d15f96406050 - 5d2ccd2f14f45a63225a73fb5b1c937baf36fdc0
hexpm/hexpm
pkg:github/hexpm/hexpm@931ee0ed46fa89218e0400a4f6e6d15f96406050 - pkg:github/hexpm/hexpm@5d2ccd2f14f45a63225a73fb5b1c937baf36fdc0
Published
Feb 26, 2026
Tracked Since
Feb 27, 2026