What’s Vulnerable › Vulnerabilities

CVE-2023-46648: Insufficient Entropy in GitHub Enterprise Server Management Console Invitation Token

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-12-21 · updated 2026-06-17
• Weakness: CWE-331

Description

An insufficient entropy vulnerability was identified in GitHub Enterprise Server (GHES) that allowed an attacker to brute force a user invitation to the GHES Management Console. To exploit this vulnerability, an attacker would need knowledge that a user invitation was pending. This vulnerability affected all versions of GitHub Enterprise Server since 3.8 and was fixed in version 3.8.12, 3.9.7, 3.10.4, and 3.11.1. This vulnerability was reported via the GitHub Bug Bounty program.

Affected products

• GitHub Enterprise Server: from 3.8.0 before 3.8.12; from 3.9.0 before 3.9.7; from 3.10.0 before 3.10.4; 3.11.0 — fixed in 3.10.4, 3.8.12, 3.9.7

How to fix

Upgrade to a fixed version: GitHub Enterprise Server 3.10.4, 3.8.12, 3.9.7. Check the vendor advisory for mitigations.

References

• https://docs.github.com/en/enterprise-server@3.10/admin/release-notes#3.10.4
• https://docs.github.com/en/enterprise-server@3.11/admin/release-notes#3.11.1
• https://docs.github.com/en/enterprise-server@3.8/admin/release-notes#3.8.12
• https://docs.github.com/en/enterprise-server@3.9/admin/release-notes#3.9.7
• https://docs.github.com/en/enterprise-server@3.10/admin/release-notes#3.10.4
• https://docs.github.com/en/enterprise-server@3.11/admin/release-notes#3.11.1
• https://docs.github.com/en/enterprise-server@3.8/admin/release-notes#3.8.12
• https://docs.github.com/en/enterprise-server@3.9/admin/release-notes#3.9.7

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