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CVE-2025-13927— Allocation of Resources Without Limits or Throttling in GitLab

Quick assessment

Affected
GitLab GitLab
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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 18.6.4之前版本、18.7.2之前版本和18.8.2之前版本存在安全漏洞，该漏洞源于发送包含畸形身份验证数据的特制请求，可能导致拒绝服务。

CVSS 7.5 · High EPSS 0.84% · P57

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2025-13927

Vulnerability Information
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Vulnerability Title
Allocation of Resources Without Limits or Throttling in GitLab
Source: CVE Program / CVE List V5
Vulnerability Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.9 before 18.6.4, 18.7 before 18.7.2, and 18.8 before 18.8.2 that could have allowed an unauthenticated user to create a denial of service condition by sending crafted requests with malformed authentication data.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
不加限制或调节的资源分配
Source: CVE Program / CVE List V5
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 18.6.4之前版本、18.7.2之前版本和18.8.2之前版本存在安全漏洞，该漏洞源于发送包含畸形身份验证数据的特制请求，可能导致拒绝服务。
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

Vendor Product Affected Versions CPE Subscribe
GitLab GitLab 11.9 ~ 18.6.4 cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2025-13927

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III. Intelligence Information for CVE-2025-13927

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Patches & Fixes for CVE-2025-13927 (1)

Same Patch Batch · GitLab · 2026-01-22 · 5 CVEs total

CVE-2025-13928 7.5 HIGH Incorrect Authorization in GitLab
CVE-2026-0723 7.4 HIGH Unchecked Return Value in GitLab
CVE-2025-13335 6.5 MEDIUM Loop with Unreachable Exit Condition ('Infinite Loop') in GitLab
CVE-2026-1102 5.3 MEDIUM Allocation of Resources Without Limits or Throttling in GitLab

IV. Related Vulnerabilities

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

V. Comments for CVE-2025-13927

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