PT-2026-22180 · Hexpm · Hexpm

Realcorvus · Published 2026-02-26 · Updated 2026-02-27 · CVE-2026-23939

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions hexpm versions prior to 5d2ccd2f14f45a63225a73fb5b1c937baf36fdc0

Description A path traversal issue exists in hexpm’s Local Storage backend, impacting self-hosted deployments. The issue resides within the 'Elixir.Hexpm.Store.Local' module and affects the following program routines: get/3, put/4, delete/2, and delete/many/2, specifically within the file lib/hexpm/store/local.ex. This does not affect the hex.pm service itself. The issue allows relative path traversal.

Recommendations Update hexpm to version 5d2ccd2f14f45a63225a73fb5b1c937baf36fdc0 or later.

Fix

Path traversal

Weakness Enumeration

CWE-22

Related Identifiers

CVE-2026-23939

GHSA-42MV-R64P-4869

Affected Products

Hexpm

References · 9

• https://github.com/hexpm/hexpm/commit/5d2ccd2f14f45a63225a73fb5b1c937baf36fdc0 · Patch
• https://github.com/hexpm/hexpm/security/advisories/GHSA-42mv-r64p-4869 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-23939 · Security Note
• https://osv.dev/vulnerability/EEF-CVE-2026-23939 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2026-23939 · Vendor Advisory
• https://t.me/CVEtracker/45881 · Telegram Post
• https://twitter.com/CVEnew/status/2027466663537557576 · Twitter Post
• https://cna.erlef.org/cves/CVE-2026-23939.html · Note
• https://twitter.com/VulmonFeeds/status/2027136816344650006 · Twitter Post