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TI-2026-19282 Aliases CVE-2026-23939

Path Traversal in Local File Store Backend

Priority LOW 37CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-22 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00475 41st percentileScored 2026-11-07
Fix Fixed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

No affected products listed by the sources yet.

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:hex:hexpm:*:*:*:*:*:*:*:*2014-09-29 to before 2026-02-26Vulnerablehexpm
  • cpe:2.3:a:hex:hexpm:*:*:*:*:*:*:*:* Versions 2014-09-29 to before 2026-02-26 Vulnerable ·hexpm

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-23939

References

Patch 1

Advisory 1

Other 2

  • TI-2026-17414 Password Reset Tokens Do Not Expire CVSS 4.0CRITICAL 9.5
  • TI-2026-17410 Cross-site scripting (XSS) in OAuth Device Authorization screen CVSS 4.0HIGH 8.5
  • TI-2026-19283 Denial of Service via Oversized Package Upload CVSS 4.0HIGH 7.1
  • TI-2026-17413 Improper Scope Enforcement in OAuth client_credentials Flow Allows Read-Only API Key to Escalate to Full Access CVSS 4.0HIGH 7.0

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences