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CVE-2026-12053— Insertion of Sensitive Information into Log File 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公司开源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 EE 19.1版本至19.1.1之前版本存在信息泄露漏洞，该漏洞源于Duo Workflows中输出过滤不足，可能导致用户访问已提交到项目中的敏感信息。

CVSS 8.6 · High EPSS 0.58% · P45

Affected Version Matrix 1

VendorProduct Version RangeStatus
GitLab GitLab 19.1< 19.1.1 affected
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I. Basic Information for CVE-2026-12053

Vulnerability Information
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Vulnerability Title
Insertion of Sensitive Information into Log File in GitLab
Source: CVE Program / CVE List V5
Vulnerability Description
GitLab has remediated an issue in GitLab EE affecting all versions from 19.1 before 19.1.1 that under certain conditions could have allowed a user to access sensitive information that had already been committed to a project, due to insufficient output filtering in Duo Workflows.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过日志文件的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
GitLab 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GitLab是美国GitLab公司开源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 EE 19.1版本至19.1.1之前版本存在信息泄露漏洞，该漏洞源于Duo Workflows中输出过滤不足，可能导致用户访问已提交到项目中的敏感信息。
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 19.1 ~ 19.1.1 cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-12053

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III. Intelligence Information for CVE-2026-12053

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Patches & Fixes for CVE-2026-12053 (2)

Same Patch Batch · GitLab · 2026-06-25 · 13 CVEs total

CVE-2026-10086 8.7 HIGH Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Gi
CVE-2026-10712 8.0 HIGH Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Gi
CVE-2026-5309 5.4 MEDIUM Authorization Bypass Through User-Controlled Key in GitLab
CVE-2026-11379 5.3 MEDIUM Incorrect Authorization in GitLab
CVE-2026-2238 5.3 MEDIUM Missing Authorization in GitLab
CVE-2026-8330 4.4 MEDIUM Insertion of Sensitive Information into Log File in GitLab
CVE-2026-5952 4.3 MEDIUM Incorrect Authorization in GitLab
CVE-2026-5796 4.3 MEDIUM Incorrect Authorization in GitLab
CVE-2026-1606 4.3 MEDIUM Improper Control of Generation of Code ('Code Injection') in GitLab
CVE-2026-0934 3.8 LOW Incorrect Authorization in GitLab
CVE-2026-3176 3.1 LOW Missing Authorization in GitLab
CVE-2026-12635 Reliance on Reverse DNS Resolution for a Security-Critical Action in GitLab

IV. Related Vulnerabilities

Same product: GitLab
Same vendor: GitLab
Same weakness: CWE-532

V. Comments for CVE-2026-12053

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