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CVE-2026-14340: GitHub Enterprise Server, заобикаляне на вход и права

5.3

CVSS 4.0

Няма данни

Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)

Няма потвърждение

Атакува се

Няма данни

Време до експлоатация

Атакува се по мрежата, без особени условия, с обикновен потребителски вход и без действие от потребителя.

CVE радар: още уязвимости от този вид

  • Експлоатация: няма данни за експлоатация
  • Атаката не може да се автоматизира

Описание

Оригинално описание

An incorrect authorization vulnerability was identified in GitHub Enterprise Server that allowed a user-to-server token scoped to a GitHub App installation to perform certain write operations on public repositories outside the token's intended scope. This was possible because the authorization check only verified that the installation had read permissions on the target repository rather than verifying that the token's installation was explicitly granted access to that repository. An attacker who obtained a victim's user-to-server token could create issues, issue comments, commit comments, and private vulnerability reports on any public repository, appearing as the victim user with no indication of the app involvement. This vulnerability was fixed by adding a repository scope check for user-to-server tokens issued by global apps. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.22 and was fixed in versions 3.21.2, 3.20.4, 3.19.8, 3.18.11, 3.17.17, 3.16.20. This vulnerability was reported via the GitHub Bug Bounty program.

Засегнати продукти

  • GitHub Enterprise Server: 3.16.0 до 3.16.19; 3.17.0 до 3.17.16; 3.18.0 до 3.18.10; 3.19.0 до 3.19.7; 3.20.0 до 3.20.3; 3.21.0 до 3.21.1

Вид слабост

История

  • 1 юли 2026 Публикувано

Други уязвимости в GitHub Enterprise Server

Първоизточници

CVE-2026-14340: GitHub Enterprise Server, заобикаляне на вход и права | freedomonline.bg