CVE-2026-119979 LM Studio - Path Traversal & Remote Code Execution

LM Studio < 0.4.22+1 contains a path traversal vulnerability in the model downloader's resolveDownloadRequest, letting attackers write files outside the models directory and execute Python payloads on launch, exploit requires user to download crafted model repository.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.40% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Path Traversal
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
30 October 2026
Updated
1 November 2026
Weakness
CWE-22

Vendor fix

Update to version 0.4.22+1 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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