CVE-2026-15077— Improper Neutralization of Input Used for LLM Prompting in GitLab
Possible ATT&CK Techniques 1AI
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I. Basic Information for CVE-2026-15077
Vulnerability Information
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Vulnerability Title
Improper Neutralization of Input Used for LLM Prompting 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 19.1.3 and 19.2 before 19.2.1 that under certain conditions could have allowed an authenticated user to access information from unauthorized projects due to improper neutralization of untrusted content processed by the AI-assisted code review functionality.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1427
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 19.1.3之前版本和19.2.1之前版本存在安全漏洞，该漏洞源于AI辅助代码审查功能处理不受信任内容时中和不当，可能导致认证用户访问未授权项目的信息。
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
II. Public POCs for CVE-2026-15077
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Patches & Fixes for CVE-2026-15077 (1)
Other References for CVE-2026-15077 (1)
Same Patch Batch · GitLab · 2026-07-29 · 13 CVEs total
| CVE-2026-6267 | 8.5 HIGH | Insertion of Sensitive Information Into Sent Data in GitLab |
| CVE-2026-12436 | 8.4 HIGH | Improperly Controlled Modification of Dynamically-Determined Object Attributes in GitLab |
| CVE-2026-15975 | 7.5 HIGH | Allocation of Resources Without Limits or Throttling in GitLab |
| CVE-2026-13113 | 6.5 MEDIUM | Time-of-check Time-of-use (TOCTOU) Race Condition in GitLab |
| CVE-2026-16553 | 5.4 MEDIUM | Insufficiently Protected Credentials in GitLab |
| CVE-2026-6336 | 5.3 MEDIUM | Incorrect Authorization in GitLab |
| CVE-2026-14341 | 4.9 MEDIUM | Missing Authorization in GitLab |
| CVE-2026-3093 | 4.7 MEDIUM | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Gi |
| CVE-2026-4672 | 4.3 MEDIUM | Missing Authorization in GitLab |
| CVE-2026-14351 | 4.3 MEDIUM | Exposure of Sensitive Information Through Metadata in GitLab |
| CVE-2026-15831 | 4.3 MEDIUM | Generation of Incorrect Security Tokens in GitLab |
| CVE-2025-14562 | 3.1 LOW | Incorrect Authorization in GitLab |
IV. Related Vulnerabilities
V. Comments for CVE-2026-15077
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