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CVE-2026-1282— Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) 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 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） 18.6.6之前版本、18.7.4之前版本和18.8.4之前版本存在安全漏洞，该漏洞源于经过身

CVSS 3.5 · Low EPSS 0.17% · P6

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-1282

Vulnerability Information
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Vulnerability Title
Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in GitLab
Source: CVE Program / CVE List V5
Vulnerability Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.6 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that could have allowed an authenticated user to inject malicious content into project labels titles.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
Web页面中脚本相关HTML标签转义处理不恰当(基本跨站脚本)
Source: CVE Program / CVE List V5
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） 18.6.6之前版本、18.7.4之前版本和18.8.4之前版本存在安全漏洞，该漏洞源于经过身
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 18.6 ~ 18.6.6 cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-1282

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III. Intelligence Information for CVE-2026-1282

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Patches & Fixes for CVE-2026-1282 (1)

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

CVE-2025-7659 8.0 HIGH Origin Validation Error in GitLab
CVE-2025-8099 7.5 HIGH Allocation of Resources Without Limits or Throttling in GitLab
CVE-2026-0958 7.5 HIGH Interpretation Conflict in GitLab
CVE-2025-14560 7.3 HIGH Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Gi
CVE-2026-0595 7.3 HIGH Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Gi
CVE-2026-1387 6.5 MEDIUM Allocation of Resources Without Limits or Throttling in GitLab
CVE-2026-1456 6.5 MEDIUM Allocation of Resources Without Limits or Throttling in GitLab
CVE-2026-1458 6.5 MEDIUM Allocation of Resources Without Limits or Throttling in GitLab
CVE-2025-12575 5.4 MEDIUM Server-Side Request Forgery (SSRF) in GitLab
CVE-2026-1094 4.6 MEDIUM Improper Validation of Unsafe Equivalence in Input in GitLab
CVE-2025-12073 4.3 MEDIUM Server-Side Request Forgery (SSRF) in GitLab
CVE-2026-1080 4.3 MEDIUM Authorization Bypass Through User-Controlled Key in GitLab
CVE-2025-14592 3.7 LOW Missing Authorization in GitLab
CVE-2025-14594 3.5 LOW Authorization Bypass Through User-Controlled Key in GitLab

IV. Related Vulnerabilities

Same product: GitLab
Same vendor: GitLab
Same weakness: CWE-80

V. Comments for CVE-2026-1282

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