DevOps / CI-CD
CVE-2026-12436 high CVSS 8.4

Vulnerability in Gitlab (CVE-2026-12436)

Summary

Vulnerability in Gitlab (CVE-2026-12436). Confidential information can be exposed externally.

Original description

The description as published by the source.

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.0 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed an authenticated user to modify CI/CD configuration belonging to another user due to improper validation of user-supplied attributes when processing pipeline schedule inputs.

Source: NIST National Vulnerability Database NVD GitHub Advisory

AI summary

Written by an external AI model and may contain mistakes. Check the original description and references below before acting on it.

GitLab CE/EE 18.0から19.2までの特定のバージョンに、認証済みユーザーが他のユーザーのCI/CD構成を変更できる脆弱性があります。この問題は、パイプラインスケジュール入力のユーザー供給属性の不適切な検証に起因します。

❓ What is the problem

GitLab CE/EEにおける認証済みユーザーが他のユーザーのCI/CD設定を変更可能な脆弱性

📍 Affected scope

GitLab CE/EE 18.0から19.0.5未満、19.1から19.1.3未満、19.2から19.2.1未満

🔥 Severity

不適切なユーザー属性の検証により、他ユーザーの設定変更が可能

🔧 How to fix

GitLabを19.0.5、19.1.3、19.2.1以降にアップデート

🛡️ Workaround

情報なし

🔍 Detection

影響を受けるバージョンを使用しているか確認

References

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