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CVE-2026-0595— Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab

CVSS 7.3 · High EPSS 0.08% · P24
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I. Basic Information for CVE-2026-0595

Vulnerability Information
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Vulnerability Title
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab
Source: NVD (National Vulnerability Database)
Vulnerability Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 13.9 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that, under certain conditions could have allowed an authenticated user to add unauthorized email addresses to victim accounts through HTML injection in test case titles.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: NVD (National Vulnerability Database)
Vulnerability Title
GitLab 跨站脚本漏洞
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 18.6.6之前版本、18.7.4之前版本和18.8.4之前版本存在跨站脚本漏洞，该漏洞源于测试用例标题存在HTML注入，可能导致经过身份验证的用户向受害者账户添加未经授权的电子邮件地址。
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 13.9 ~ 18.6.6 cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-0595

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III. Intelligence Information for CVE-2026-0595

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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-2026-13876.5 MEDIUMAllocation of Resources Without Limits or Throttling in GitLab
CVE-2026-14566.5 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-79

V. Comments for CVE-2026-0595

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