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CVE-2025-12576— 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 18.7.6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Webhook响应数据处理不当，可能导致已认证用户发起拒绝服务攻击。

CVSS 6.5 · Medium EPSS 0.39% · P30

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2025-12576

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 9.3 before 18.7.6, 18.8 before 18.8.6, and 18.9 before 18.9.2 that under certain conditions could have allowed an authenticated user to cause a denial of service due to improper handling of webhook response data.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/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 18.7.6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Webhook响应数据处理不当，可能导致已认证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

Vendor Product Affected Versions CPE Subscribe
GitLab GitLab 9.3 ~ 18.7.6 cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2025-12576

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III. Intelligence Information for CVE-2025-12576

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Patches & Fixes for CVE-2025-12576 (1)

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

CVE-2026-1090 8.7 HIGH Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Gi
CVE-2026-1069 7.5 HIGH Uncontrolled Recursion in GitLab
CVE-2025-14513 7.5 HIGH Improper Validation of Specified Quantity in Input in GitLab
CVE-2025-13929 7.5 HIGH Allocation of Resources Without Limits or Throttling in GitLab
CVE-2025-13690 6.5 MEDIUM Allocation of Resources Without Limits or Throttling in GitLab
CVE-2026-3848 5.0 MEDIUM Improper Neutralization of CRLF Sequences ('CRLF Injection') in GitLab
CVE-2026-1732 4.3 MEDIUM Improper Removal of Sensitive Information Before Storage or Transfer in GitLab
CVE-2026-1663 4.3 MEDIUM Missing Authorization in GitLab
CVE-2026-0602 4.3 MEDIUM Authentication Bypass Using an Alternate Path or Channel in GitLab
CVE-2025-12555 4.3 MEDIUM Incorrect Authorization in GitLab
CVE-2026-1230 4.1 MEDIUM Use of Incorrectly-Resolved Name or Reference in GitLab
CVE-2025-12704 3.5 LOW Missing Authorization in GitLab
CVE-2025-12697 2.2 LOW Improper Encoding or Escaping of Output in GitLab

IV. Related Vulnerabilities

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

V. Comments for CVE-2025-12576

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