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CVE-2026-14814— Permissive Regular Expression 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 中存在的一项安全问题，该问题影响 19.2.8 之前版本、19.3 版本中 19.3.5 之前版本，以及 19.4 版本中 19.4.2 之前版本。在特定条件下，该漏洞可能允许攻击者污染原始仓库文件的缓存响应，导致目标用户的 CI/CD 流水线执行恶意构造的内容，并可能泄露受保护的环境变量。此问题源于对仓库引用缺乏适当的验证。

CVSS 8.2 · High EPSS 0.24% · P14

Affected Version Matrix 3

VendorProduct Version RangeStatus
GitLab GitLab < 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-2026-14814

Vulnerability Information
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Vulnerability Title
Permissive Regular Expression in GitLab
Source: CVE Program / CVE List V5
Vulnerability Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain conditions, could have allowed a user to poison cached responses for raw repository files, causing targeted users' CI/CD pipelines to execute specially crafted content and potentially exposing protected environment variables, due to improper validation of repository references.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
宽松定义的正则表达式
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
GitLab GitLab 0 ~ 19.2.8 cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-14814

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III. Intelligence Information for CVE-2026-14814

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Other References for CVE-2026-14814 (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-2026-81839 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-2026-85529 5.3 MEDIUM Incorrect Authorization in GitLab
CVE-2026-84284 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-2026-105458 4.3 MEDIUM Reliance on Untrusted Inputs in a Security Decision 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-625

V. Comments for CVE-2026-14814

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