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CVE-2024-6336: Security misconfiguration was identified in GitHub Enterprise Server that allowed sensitive data exposure

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-07-16 · updated 2026-06-17
• Weakness: CWE-200

Description

A Security Misconfiguration vulnerability in GitHub Enterprise Server allowed sensitive information disclosure to unauthorized users in GitHub Enterprise Server by exploiting organization ruleset feature. This attack required an organization member to explicitly change the visibility of a dependent repository from private to public. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.14 and was fixed in versions 3.13.1, 3.12.6, 3.11.12, 3.10.14, and 3.9.17. This vulnerability was reported via the GitHub Bug Bounty program.

Affected products

• GitHub Enterprise Server: from 3.9.0 before 3.9.17; from 3.10.0 before 3.10.14; from 3.11.0 before 3.11.12; from 3.12.0 before 3.12.6; 3.13.0 — fixed in 3.10.14, 3.11.12, 3.12.6, 3.9.17

How to fix

Upgrade to a fixed version: GitHub Enterprise Server 3.10.14, 3.11.12, 3.12.6, 3.9.17. Check the vendor advisory for mitigations.

References

• https://docs.github.com/en/enterprise-server@3.10/admin/release-notes#3.10.15
• https://docs.github.com/en/enterprise-server@3.11/admin/release-notes#3.11.12
• https://docs.github.com/en/enterprise-server@3.12/admin/release-notes#3.12.6
• https://docs.github.com/en/enterprise-server@3.13/admin/release-notes#3.13.1
• https://docs.github.com/en/enterprise-server@3.9/admin/release-notes#3.9.17
• https://docs.github.com/en/enterprise-server@3.10/admin/release-notes#3.10.15
• https://docs.github.com/en/enterprise-server@3.11/admin/release-notes#3.11.12
• https://docs.github.com/en/enterprise-server@3.12/admin/release-notes#3.12.6
• https://docs.github.com/en/enterprise-server@3.13/admin/release-notes#3.13.1
• https://docs.github.com/en/enterprise-server@3.9/admin/release-notes#3.9.17

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