CVE-2026-50158 Yutu - Unrestricted File Upload

Yutu < 0.10.9 contains an unrestricted file write vulnerability caused by improper path handling in caption-download MCP tool, letting a principal able to invoke caption-download write files outside YUTU_ROOT, exploit requires access to caption-download functionality and service credentials.

CVSS base score 7.7 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.23% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Unrestricted File Upload
Impact
Remote Code Execution, Denial Of Service, File System Write
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Published
17 September 2026
Updated
15 October 2026
Weakness
CWE-73

Vendor fix

Update to version 0.10.9 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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