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CVE-2025-14513— Improper Validation of Specified Quantity in Input in GitLab

CVSS 7.5 · High EPSS 0.04% · P13
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I. Basic Information for CVE-2025-14513

Vulnerability Information
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Vulnerability Title
Improper Validation of Specified Quantity in Input in GitLab
Source: NVD (National Vulnerability Database)
Vulnerability Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.11 before 18.7.6, 18.8 before 18.8.6, and 18.9 before 18.9.2 that could have allowed an unauthenticated user to cause a denial of service condition due to improper input validation when processing specially crafted JSON payloads in the protected branches API.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
CWE-1284
Source: NVD (National Vulnerability Database)
Vulnerability Title
GitLab 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GitLab是美国GitLab公司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 CE/EE 18.7.6之前版本、18.8.6之前版本和18.9.2之前版本存在安全漏洞，该漏洞源于处理特制JSON有效载荷时输入验证不当，可能导致未经验证的用户发起拒绝服务攻击。
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 16.11 ~ 18.7.6 cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2025-14513

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III. Intelligence Information for CVE-2025-14513

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Same Patch Batch · GitLab · 2026-03-11 · 14 CVEs total

CVE-2026-10908.7 HIGHImproper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Gi
CVE-2026-10697.5 HIGHUncontrolled Recursion in GitLab
CVE-2025-139297.5 HIGHAllocation of Resources Without Limits or Throttling in GitLab
CVE-2025-136906.5 MEDIUMAllocation of Resources Without Limits or Throttling in GitLab
CVE-2025-125766.5 MEDIUMAllocation of Resources Without Limits or Throttling in GitLab
CVE-2026-38485.0 MEDIUMImproper Neutralization of CRLF Sequences ('CRLF Injection') in GitLab
CVE-2026-17324.3 MEDIUMImproper Removal of Sensitive Information Before Storage or Transfer in GitLab
CVE-2026-16634.3 MEDIUMMissing Authorization in GitLab
CVE-2026-06024.3 MEDIUMAuthentication Bypass Using an Alternate Path or Channel in GitLab
CVE-2025-125554.3 MEDIUMIncorrect Authorization in GitLab
CVE-2026-12304.1 MEDIUMUse of Incorrectly-Resolved Name or Reference in GitLab
CVE-2025-127043.5 LOWMissing Authorization in GitLab
CVE-2025-126972.2 LOWImproper Encoding or Escaping of Output in GitLab

IV. Related Vulnerabilities

Same product: GitLab
Same vendor: GitLab
Same weakness: CWE-1284

V. Comments for CVE-2025-14513

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