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CVE-2026-1699

CVSS 10.0 · Critical EPSS 0.04% · P12
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I. Basic Information for CVE-2026-1699

Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Eclipse Theia Website repository, the GitHub Actions workflow .github/workflows/preview.yml used pull_request_target trigger while checking out and executing untrusted pull request code. This allowed any GitHub user to execute arbitrary code in the repository's CI environment with access to repository secrets and a GITHUB_TOKEN with extensive write permissions (contents:write, packages:write, pages:write, actions:write). An attacker could exfiltrate secrets, publish malicious packages to the eclipse-theia organization, modify the official Theia website, and push malicious code to the repository.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
从非可信控制范围包含功能例程
Source: NVD (National Vulnerability Database)
Vulnerability Title
Eclipse Theia - Website 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Eclipse Theia - Website是Eclipse基金会的一个开发环境框架。 Eclipse Theia - Website存在安全漏洞，该漏洞源于GitHub Actions工作流使用pull_request_target触发器执行不受信任的代码，可能导致任意代码执行、凭据泄露和恶意代码推送。
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)

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Affected Products

VendorProductAffected VersionsCPESubscribe
Eclipse FoundationEclipse Theia - Website 0 ~ 2fb0cc4bfc372cfaef79feb4eebb6563778b2560 -

II. Public POCs for CVE-2026-1699

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III. Intelligence Information for CVE-2026-1699

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IV. Related Vulnerabilities

Same vendor: Eclipse Foundation
Same weakness: CWE-829

V. Comments for CVE-2026-1699

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