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CVE-2026-3160: Information Disclosure in GitLab
プラットフォーム
gitlab
コンポーネント
gitlab
修正版
18.11.3
CVE-2026-3160 describes an information disclosure vulnerability affecting GitLab Community Edition (CE) and Enterprise Edition (EE). This flaw allows authenticated users to view Jira issues that fall outside the intended project scope, effectively bypassing access controls. The vulnerability impacts versions 13.7.0 through 18.11.3, and a fix is available in version 18.11.3.
影響と攻撃シナリオ翻訳中…
The primary impact of CVE-2026-3160 is unauthorized access to Jira issue data. An attacker, already authenticated within GitLab, could leverage this vulnerability to view Jira issues associated with other projects or teams they are not explicitly authorized to access. This could expose sensitive information such as bug reports, feature requests, or internal discussions. The blast radius is limited to the Jira integration within GitLab; however, the potential for data leakage remains significant, particularly in organizations where Jira is used to manage critical project information. This vulnerability highlights the importance of proper access control enforcement within integrated systems.
悪用の状況翻訳中…
CVE-2026-3160 was published on May 14, 2026. Its severity is currently assessed as medium. No public proof-of-concept (POC) code has been released as of this writing. There are no indications of active exploitation campaigns targeting this vulnerability. The vulnerability is not currently listed on CISA’s Known Exploited Vulnerabilities (KEV) catalog.
脅威インテリジェンス
エクスプロイト状況
CISA SSVC
CVSS ベクトル
これらのメトリクスの意味は？
- Attack Vector
- ネットワーク — インターネット経由でリモートから悪用可能。物理・ローカルアクセス不要。
- Attack Complexity
- 低 — 特別な条件不要。安定して悪用可能。
- Privileges Required
- なし — 認証不要。資格情報なしで悪用可能。
- User Interaction
- なし — 自動かつ無音の攻撃。被害者は何もしない。
- Scope
- 変化あり — 攻撃が脆弱なコンポーネントを超えて他のシステムに波及可能。
- Confidentiality
- 低 — 一部データへの部分的アクセス。
- Integrity
- なし — 完全性への影響なし。
- Availability
- なし — 可用性への影響なし。
影響を受けるソフトウェア
弱点分類 (CWE)
タイムライン
- 予約済み
- 公開日
緩和策と回避策翻訳中…
The recommended mitigation for CVE-2026-3160 is to immediately upgrade GitLab to version 18.11.3 or later. If upgrading is not immediately feasible, consider temporarily disabling the Jira integration until the upgrade can be performed. Review existing Jira integration configurations to ensure that access controls are properly enforced at the Jira level. While a WAF or proxy cannot directly prevent this vulnerability, they can be configured to monitor for unusual Jira access patterns that might indicate exploitation. After upgrading, verify the fix by attempting to access Jira issues outside the expected project scope; access should be denied.
修正方法翻訳中…
Actualice GitLab a la versión 18.9.7 o superior, 18.10.6 o superior, o 18.11.3 o superior para mitigar la vulnerabilidad. Esta actualización corrige un problema de 'Confused Deputy' que permitía a usuarios autenticados acceder a información de Jira fuera del alcance del proyecto configurado.
よくある質問翻訳中…
What is CVE-2026-3160 — Information Disclosure in GitLab?
CVE-2026-3160 is a medium severity vulnerability in GitLab affecting versions 13.7.0–18.11.3. It allows authenticated users to view Jira issues outside the configured project scope, bypassing access controls.
Am I affected by CVE-2026-3160 in GitLab?
You are affected if you are running GitLab CE or EE versions 13.7.0 through 18.11.3. Versions prior to 18.11.3 are vulnerable to information disclosure.
How do I fix CVE-2026-3160 in GitLab?
Upgrade GitLab to version 18.11.3 or later to remediate the vulnerability. If immediate upgrade is not possible, temporarily disable the Jira integration.
Is CVE-2026-3160 being actively exploited?
As of the current assessment, there are no indications of active exploitation campaigns targeting CVE-2026-3160.
Where can I find the official GitLab advisory for CVE-2026-3160?
Refer to the official GitLab security advisory for CVE-2026-3160 on the GitLab website: [https://gitlab.com/security/advisories/CVE-2026-3160](https://gitlab.com/security/advisories/CVE-2026-3160)
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