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CVE-2026-1516— Improper Control of Generation of Code ('Code Injection') 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）是美国GitLab公司的一套内容管理系统。 GitLab Enterprise Edition（EE） 18.8.9之前版本、18.9.5之前版本和18.10.3之前版本存在代码注入漏洞，该漏洞源于代码质量报告中存在授权问题，可能导致泄露用户IP地址。

CVSS 5.7 · Medium EPSS 0.43% · P35
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I. Basic Information for CVE-2026-1516

Vulnerability Information
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Vulnerability Title
Improper Control of Generation of Code ('Code Injection') in GitLab
Source: CVE Program / CVE List V5
Vulnerability Description
GitLab has remediated an issue in GitLab EE affecting all versions from 18.0.0 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that in Code Quality reports could have allowed an authenticated user to leak IP addresses of users viewing the report via specially crafted content.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5
Vulnerability Title
GitLab Enterprise Edition（EE） 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GitLab Enterprise Edition（EE）是美国GitLab公司的一套内容管理系统。 GitLab Enterprise Edition（EE） 18.8.9之前版本、18.9.5之前版本和18.10.3之前版本存在代码注入漏洞，该漏洞源于代码质量报告中存在授权问题，可能导致泄露用户IP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

Vendor Product Affected Versions CPE Subscribe
GitLab GitLab 18.0.0 ~ 18.8.9 cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-1516

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III. Intelligence Information for CVE-2026-1516

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Patches & Fixes for CVE-2026-1516 (1)

Vendor Advisories for CVE-2026-1516 (1)

Same Patch Batch · GitLab · 2026-04-08 · 11 CVEs total

CVE-2026-5173 8.5 HIGH Exposed Dangerous Method or Function in GitLab
CVE-2026-1092 7.5 HIGH Improper Validation of Specified Quantity in Input in GitLab
CVE-2025-12664 7.5 HIGH Improper Validation of Specified Quantity in Input in GitLab
CVE-2026-1101 6.5 MEDIUM Improper Validation of Specified Quantity in Input in GitLab
CVE-2026-4332 5.4 MEDIUM Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Gi
CVE-2026-2619 4.3 MEDIUM Incorrect Authorization in GitLab
CVE-2026-2104 4.3 MEDIUM Authorization Bypass Through User-Controlled Key in GitLab
CVE-2026-1752 4.3 MEDIUM Incorrect Authorization in GitLab
CVE-2025-9484 4.3 MEDIUM Missing Authorization in GitLab
CVE-2026-4916 2.7 LOW Missing Authorization in GitLab

IV. Related Vulnerabilities

Same product: GitLab
Same vendor: GitLab
Same weakness: CWE-94

V. Comments for CVE-2026-1516

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