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CVE-2026-14351— Exposure of Sensitive Information Through Metadata in GitLab

CVSS 4.3 · Medium EPSS 0.29% · P22

Possible ATT&CK Techniques 1AI

T1530 · Data from Cloud Storage

Affected Version Matrix 3

VendorProductVersion RangeStatus
GitLabGitLab8.8< 19.0.5affected
19.1< 19.1.3affected
19.2< 19.2.1affected
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I. Basic Information for CVE-2026-14351

Vulnerability Information
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Vulnerability Title
Exposure of Sensitive Information Through Metadata in GitLab
Source: CVE Program / CVE List V5
Vulnerability Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 8.8 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 unauthenticated user to view the title of a confidential issue through a publicly accessible merge request due to improper authorization checks.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1230
Source: CVE Program / CVE List V5
Vulnerability Title
GitLab 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GitLab是美国GitLab公司开源的一个端到端软件开发平台，具有内置的版本控制、问题跟踪、代码审查、CI/CD(持续集成和持续交付)等功能。 GitLab 8.8版本至19.0.5之前版本、19.1版本至19.1.3之前版本和19.2版本至19.2.1之前版本存在信息泄露漏洞，该漏洞源于授权检查不当，可能导致未授权用户通过公开的合并请求查看机密问题的标题。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
GitLabGitLab 8.8 ~ 19.0.5 cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-14351

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III. Intelligence Information for CVE-2026-14351

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Patches & Fixes for CVE-2026-14351 (2)

Same Patch Batch · GitLab · 2026-07-29 · 13 CVEs total

CVE-2026-62678.5 HIGHInsertion of Sensitive Information Into Sent Data in GitLab
CVE-2026-124368.4 HIGHImproperly Controlled Modification of Dynamically-Determined Object Attributes in GitLab
CVE-2026-159757.5 HIGHAllocation of Resources Without Limits or Throttling in GitLab
CVE-2026-131136.5 MEDIUMTime-of-check Time-of-use (TOCTOU) Race Condition in GitLab
CVE-2026-165535.4 MEDIUMInsufficiently Protected Credentials in GitLab
CVE-2026-63365.3 MEDIUMIncorrect Authorization in GitLab
CVE-2026-143414.9 MEDIUMMissing Authorization in GitLab
CVE-2026-30934.7 MEDIUMImproper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Gi
CVE-2026-158314.3 MEDIUMGeneration of Incorrect Security Tokens in GitLab
CVE-2026-150774.3 MEDIUMImproper Neutralization of Input Used for LLM Prompting in GitLab
CVE-2026-46724.3 MEDIUMMissing Authorization in GitLab
CVE-2025-145623.1 LOWIncorrect Authorization in GitLab

IV. Related Vulnerabilities

Same product: GitLab
Same vendor: GitLab
Same weakness: CWE-1230

V. Comments for CVE-2026-14351

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