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High severity7.7NVD Advisory· Published Apr 7, 2023· Updated Jun 17, 2026

CVE-2023-23761

CVE-2023-23761

Description

An improper authentication vulnerability was identified in GitHub Enterprise Server that allowed an unauthorized actor to modify other users' secret gists by authenticating through an SSH certificate authority. To do so, a user had to know the secret gist's URL. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.9 and was fixed in versions 3.4.18, 3.5.15, 3.6.11, 3.7.8, and 3.8.1. This vulnerability was reported via the GitHub Bug Bounty program.

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Affected products

4
  • GitHub/Enterprise Server4 versions
    cpe:2.3:a:github:enterprise_server:*:*:*:*:*:*:*:*+ 3 more
    • cpe:2.3:a:github:enterprise_server:*:*:*:*:*:*:*:*range: <3.4.18
    • cpe:2.3:a:github:enterprise_server:3.8.0:*:*:*:*:*:*:*
    • (no CPE)range: <3.9, 3.4.18, 3.5.15, 3.6.11, 3.7.8, 3.8.1
    • (no CPE)range: 3.4.0

Patches

Vulnerability mechanics

References

5

News mentions

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