CVE-2023-50728: Octokit App

High severity, CVSS 7.5. EPSS: 0.7% chance of exploitation in the next 30 days.

octokit/webhooks is a GitHub webhook events toolset for Node.js. Starting in 9.26.0 and prior to 9.26.3, 10.9.2, 11.1.2, and 12.0.4, there is a problem caused by an issue with error handling in the @octokit/webhooks library because the error can be undefined in some cases. The resulting request was found to cause an uncaught exception that ends the nodejs process. The bug is fixed in octokit/webhooks.js 9.26.3, 10.9.2, 11.1.2, and 12.0.4, app.js 14.02, octokit.js 3.1.2, and Protobot 12.3.3.

Affected products

• Octokit App: version 14.0.1 only
• Octokit Octokit: before 3.1.2 (fixed in 3.1.2)
• Octokit Webhooks: before 9.26.3 (fixed in 9.26.3); from 10.0.0, before 10.9.2 (fixed in 10.9.2); from 11.0.0, before 11.1.2 (fixed in 11.1.2); from 12.0.0, before 12.0.4 (fixed in 12.0.4)
• Probot Probot: before 12.3.3 (fixed in 12.3.3)

Published 2023-12-15. Last modified 2026-06-17.