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CVE-2026-92530— Use of Less Trusted Source 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 CE/EE 中存在的一个安全问题，该问题影响所有 19.2.7 之前的 19.1 版本、19.3.3 之前的 19.3 版本以及 19.4.1 之前的 19.4 版本。在某些条件下，该漏洞可能允许已认证用户伪造合并请求的作者身份，并将内容归因于目标实例上任意现有用户。此问题是由于在直接传输导入过程中对临时缓存状态的不当依赖所导致。

CVSS 4.3 · Medium EPSS 0.11% · P1
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I. Basic Information for CVE-2026-92530

Vulnerability Information
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Vulnerability Title
Use of Less Trusted Source in GitLab
Source: CVE Program / CVE List V5
Vulnerability Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.1 before 19.2.7, 19.3 before 19.3.3, and 19.4 before 19.4.1 that under certain conditions could have allowed an authenticated user to spoof merge request authorship and attribute content to arbitrary existing users on the target instance due to improper reliance on ephemeral cache state during Direct Transfer imports.
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
使用不可信的源
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
GitLab GitLab 19.1 ~ 19.2.7 cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-92530

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III. Intelligence Information for CVE-2026-92530

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Other References for CVE-2026-92530 (2)

Same Patch Batch · GitLab · 2026-09-23 · 7 CVEs total

CVE-2026-89078 9.9 CRITICAL Double Free in GitLab
CVE-2026-93577 9.9 CRITICAL Integer Overflow or Wraparound in GitLab
CVE-2026-92470 7.7 HIGH Missing Authorization in GitLab
CVE-2026-92874 5.4 MEDIUM Incorrect Authorization in GitLab
CVE-2026-92529 4.3 MEDIUM Incorrect Authorization in GitLab
CVE-2026-92628 3.1 LOW Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition'

IV. Related Vulnerabilities

Same product: GitLab
Same vendor: GitLab
Same weakness: CWE-348

V. Comments for CVE-2026-92530

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