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CVE-2026-1456— Allocation of Resources Without Limits or Throttling in GitLab

CVSS 6.5 · Medium EPSS 0.04% · P12
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I. Basic Information for CVE-2026-1456

Vulnerability Information
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Vulnerability Title
Allocation of Resources Without Limits or Throttling in GitLab
Source: NVD (National Vulnerability Database)
Vulnerability Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.7 before 18.7.4, and 18.8 before 18.8.4 that could have allowed an unauthenticated user to cause denial of service through CPU exhaustion by submitting specially crafted markdown files that trigger exponential processing in markdown preview.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
不加限制或调节的资源分配
Source: NVD (National Vulnerability Database)
Vulnerability Title
GitLab Enterprise Edition（EE）和GitLab Community Edition（CE） 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GitLab Enterprise Edition（EE）和GitLab Community Edition（CE）都是美国GitLab公司的产品。GitLab Enterprise Edition是一套内容管理系统。GitLab Community Edition是一种社区版 GitLab 。 GitLab Enterprise Edition（EE）和GitLab Community Edition（CE） 18.7.4之前版本和18.8.4之前版本存在安全漏洞，该漏洞源于未经身份验证的用户提交触发M
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 18.7 ~ 18.7.4 cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-1456

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III. Intelligence Information for CVE-2026-1456

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Patches & Fixes for CVE-2026-1456 (1)

Same Patch Batch · GitLab · 2026-02-11 · 15 CVEs total

CVE-2025-76598.0 HIGHOrigin Validation Error in GitLab
CVE-2025-80997.5 HIGHAllocation of Resources Without Limits or Throttling in GitLab
CVE-2026-09587.5 HIGHInterpretation Conflict in GitLab
CVE-2025-145607.3 HIGHImproper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Gi
CVE-2026-05957.3 HIGHImproper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Gi
CVE-2026-13876.5 MEDIUMAllocation of Resources Without Limits or Throttling in GitLab
CVE-2026-14586.5 MEDIUMAllocation of Resources Without Limits or Throttling in GitLab
CVE-2025-125755.4 MEDIUMServer-Side Request Forgery (SSRF) in GitLab
CVE-2026-10944.6 MEDIUMImproper Validation of Unsafe Equivalence in Input in GitLab
CVE-2025-120734.3 MEDIUMServer-Side Request Forgery (SSRF) in GitLab
CVE-2026-10804.3 MEDIUMAuthorization Bypass Through User-Controlled Key in GitLab
CVE-2025-145923.7 LOWMissing Authorization in GitLab
CVE-2025-145943.5 LOWAuthorization Bypass Through User-Controlled Key in GitLab
CVE-2026-12823.5 LOWImproper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in GitLab

IV. Related Vulnerabilities

Same product: GitLab
Same vendor: GitLab
Same weakness: CWE-770

V. Comments for CVE-2026-1456

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