CVE-2026-50158
High · CVSS 7.7Published 2026-09-17
CVSS
7.7
High
EPSS
—
exploit probability
Active Exploit
No
not yet listed
What is CVE-2026-50158?
yutu is an AI-powered toolkit for managing and growing YouTube channels. Prior to 0.10.9, the caption-download MCP tool accepts a caller-controlled file parameter through cmd/caption/download.go and passes it to Caption.Download() in pkg/caption/caption.go, where os.Create() creates or truncates that path without using the pkg.Root confinement boundary backed by YUTU_ROOT. A principal able to invoke caption-download, including a local HTTP client when the MCP server runs with its default authentication-disabled configuration, can write downloaded caption bytes to any path writable by the yutu process outside YUTU_ROOT. This can overwrite application files, configuration, shell startup files, logs, or data and can cause persistent code execution or denial of service depending on the selected writable target. Live caption retrieval also requires usable service credentials and an accessible caption identifier. This issue is fixed in version 0.10.9.
CVSS Score Explained
CVSS 7.7 is High severity. Exploitation is likely straightforward and the impact is significant — data loss, privilege escalation, or remote code execution are common outcomes. Patch as soon as possible.
EPSS Exploitation Probability
No EPSS score yet — model needs more data on this CVE.
References & Patches
- ›https://github.com/eat-pray-ai/yutu/commit/87026c4eee1ed28775383807087343a750707bf3
- PATCHhttps://github.com/eat-pray-ai/yutu/releases/tag/v0.10.9
- ›https://github.com/eat-pray-ai/yutu/security/advisories/GHSA-2c7f-fxww-6w6c
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