What’s Vulnerable › Vulnerabilities

CVE-2023-35174: Livebook Desktop's protocol handler can be exploited to execute arbitrary command on Windows

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-06-22 · updated 2026-06-17
• Weakness: CWE-78

Description

Livebook is a web application for writing interactive and collaborative code notebooks. On Windows, it is possible to open a `livebook://` link from a browser which opens Livebook Desktop and triggers arbitrary code execution on victim's machine. Any user using Livebook Desktop on Windows is potentially vulnerable to arbitrary code execution when they expect Livebook to be opened from browser. This vulnerability has been fixed in version 0.8.2 and 0.9.3.

Affected products

• livebook-dev livebook: from 0.8.0 before 0.8.2; from 0.9.0 before 0.9.3 — fixed in 0.8.2, 0.9.3

How to fix

Upgrade to a fixed version: livebook-dev livebook 0.8.2, 0.9.3. Check the vendor advisory for mitigations.

References

• https://github.com/livebook-dev/livebook/commit/2e11b59f677c6ed3b6aa82dad412a8b3406ffdf1
• https://github.com/livebook-dev/livebook/commit/beb10daaadcc765f0380e436bd7cd5f74cf086c8
• https://github.com/livebook-dev/livebook/releases/tag/v0.8.2
• https://github.com/livebook-dev/livebook/releases/tag/v0.9.3
• https://github.com/livebook-dev/livebook/security/advisories/GHSA-564w-97r7-c6p9
• https://github.com/livebook-dev/livebook/commit/2e11b59f677c6ed3b6aa82dad412a8b3406ffdf1
• https://github.com/livebook-dev/livebook/commit/beb10daaadcc765f0380e436bd7cd5f74cf086c8
• https://github.com/livebook-dev/livebook/releases/tag/v0.8.2
• https://github.com/livebook-dev/livebook/releases/tag/v0.9.3
• https://github.com/livebook-dev/livebook/security/advisories/GHSA-564w-97r7-c6p9

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