CVSS 4.0
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Атакува се
Време до експлоатация
Атакува се по мрежата, без особени условия, с обикновен потребителски вход и без действие от потребителя.
- Експлоатация: няма данни за експлоатация
- Атаката не може да се автоматизира
Описание
Оригинално описание
A path traversal vulnerability was identified in GitHub Enterprise Server that allowed an attacker with code execution inside a Dependabot updater container to write files to arbitrary repository paths, including GitHub Actions workflow files under .github/workflows/, because path validation did not check the actual write destination. The initial fix in versions 3.21.3, 3.20.5, 3.19.9, 3.18.12, and 3.17.18 was incomplete because validation checked the supplied symlink target, while the publisher wrote the file using its directory and name. Writing GitHub Actions workflow files required the Dependabot installation to have workflows: write permission. Depending on repository permissions and workflow configuration, including a relevant pull_request_target workflow or auto-merge, an injected workflow could execute with access to GitHub Actions secrets. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.23 and was fully fixed in versions 3.22.3, 3.21.8, 3.20.10, and 3.19.14. This vulnerability was reported via the GitHub Bug Bounty program.
Засегнати продукти
- GitHub Enterprise Server: 3.17.0 преди 3.17.*; 3.18.0 преди 3.18.*; 3.19.0 преди 3.19.*; 3.20.0 преди 3.20.*; 3.21.0 преди 3.21.*; 3.22.0 преди 3.22.*
Вид слабост
История
- 17 юли 2026 Публикувано
Други уязвимости в GitHub Enterprise Server
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-15343
- https://nvd.nist.gov/vuln/detail/CVE-2026-15343
- https://docs.github.com/en/[email protected]/admin/release-notes#3.17.18
- https://docs.github.com/en/[email protected]/admin/release-notes#3.18.12
- https://docs.github.com/en/[email protected]/admin/release-notes#3.19.9
- https://docs.github.com/en/[email protected]/admin/release-notes#3.20.5
- https://docs.github.com/en/[email protected]/admin/release-notes#3.21.3
- https://docs.github.com/en/[email protected]/admin/release-notes#3.19.14
- https://docs.github.com/en/[email protected]/admin/release-notes#3.20.10
- https://docs.github.com/en/[email protected]/admin/release-notes#3.21.8
- https://docs.github.com/en/[email protected]/admin/release-notes#3.22.3