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CVE-2026-105458— Reliance on Untrusted Inputs in a Security Decision 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 已修复 GitLab EE 中的一个漏洞，该漏洞影响以下所有版本：19.1 系列（19.2.8 之前版本）、19.3 系列（19.3.5 之前版本）以及 19.4 系列（19.4.2 之前版本）。在某些条件下，持有特定细粒度权限的已认证用户可能获取 GitLab Duo Agent Platform 令牌，从而绕过治理控制机制。此漏洞是由于在安全决策过程中依赖了不可信输入所致。

CVSS 4.3 · Medium EPSS 0.19% · P8

Possible ATT&CK Techniques 1 AI

T1528 · Steal Application Access Token

Affected Version Matrix 3

VendorProduct Version RangeStatus
GitLab GitLab 19.1< 19.2.8 affected
19.3< 19.3.5 affected
19.4< 19.4.2 affected
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I. Basic Information for CVE-2026-105458

Vulnerability Information
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Vulnerability Title
Reliance on Untrusted Inputs in a Security Decision 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 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain conditions, could have allowed an authenticated user holding a specific granular permission to obtain a GitLab Duo Agent Platform token that bypasses governance controls, due to reliance on untrusted input in a security decision.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在安全决策中依赖未经信任的输入
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
GitLab GitLab 19.1 ~ 19.2.8 cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-105458

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III. Intelligence Information for CVE-2026-105458

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Vendor Advisories for CVE-2026-105458 (1)

Same Patch Batch · GitLab · 2026-10-13 · 24 CVEs total

CVE-2026-97229 10.0 CRITICAL Integer Overflow or Wraparound in GitLab
CVE-2026-92883 8.7 HIGH Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Gi
CVE-2026-16301 8.5 HIGH Incorrect Authorization in GitLab
CVE-2026-14814 8.2 HIGH Permissive Regular Expression in GitLab
CVE-2026-81839 7.7 HIGH Incorrect Authorization in GitLab
CVE-2026-96893 7.3 HIGH Improper Neutralization of Input Used for LLM Prompting in GitLab
CVE-2026-101168 6.2 MEDIUM Insertion of Sensitive Information into Log File in GitLab
CVE-2026-7767 5.8 MEDIUM URL Redirection to Untrusted Site ('Open Redirect') in GitLab
CVE-2026-84284 5.3 MEDIUM Incorrect Authorization in GitLab
CVE-2026-85529 5.3 MEDIUM Incorrect Authorization in GitLab
CVE-2026-16275 5.3 MEDIUM Incorrect Authorization in GitLab
CVE-2026-100755 4.6 MEDIUM Acceptance of Extraneous Untrusted Data With Trusted Data in GitLab
CVE-2026-14552 4.3 MEDIUM Incorrect Authorization in GitLab
CVE-2026-14210 4.3 MEDIUM Insufficient Granularity of Access Control in GitLab
CVE-2026-6567 4.3 MEDIUM Incorrect Authorization in GitLab
CVE-2026-104661 4.3 MEDIUM Incorrect Privilege Assignment in GitLab
CVE-2026-92528 4.2 MEDIUM Incorrect Authorization in GitLab
CVE-2026-78335 4.2 MEDIUM Incorrect Authorization in GitLab
CVE-2026-5954 4.2 MEDIUM Incorrect Authorization in GitLab
CVE-2026-100104 3.5 LOW Server-Side Request Forgery (SSRF) in GitLab

Showing top 20 of 24 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: GitLab
Same vendor: GitLab
Same weakness: CWE-807

V. Comments for CVE-2026-105458

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