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VulnerabilityPublished

CVE-2026-119979: Element Labs LM Studio · Path Traversal

Affects Element Labs LM StudioSource CVE Database V5

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Not known to be exploited · CVSS 8.7 High : upgrade to 0.4.22+1 soon.

Data as of 30 Oct 2026, 19:03 UTC

CVSS 4.0 base score
8.7High
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (VulnCheck)CVSS 4.08.7
CNA (VulnCheck)CVSS 3.18.8
Patch
Available – fixed in 0.4.22+1
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 30 Oct 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.

What to do

Upgrade Element Labs LM Studio to 0.4.22+1.

Affected software

ProductAffectedFixed in
Element LabsLM StudioAffected
  • <0.4.22+1
Fixed in
  • 0.4.22+1

AI-suggested

Upgrade LM Studio to version 0.4.22+1 or later, where this path traversal vulnerability is fixed. No other mitigation is required as the vendor has provided an official fix.

Description

LM Studio before 0.4.22+1 contains a path traversal vulnerability in the model downloader's resolveDownloadRequest that allows attackers to write files outside the models directory using backslash-separated traversal filenames. Attackers can trick users into downloading a crafted model repository that plants a plugin manifest.json, install-state.json and mcp-bridge-config.json, running an attacker-supplied Python payload on every launch.

References

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