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CVE-2026-59960— Argos JavaScript: CI Branch Name OS Command Injection in @argos-ci/core

Quick assessment

Affected
argos-ci argos-javascript
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.

Argos JavaScript 提供官方的 Argos JavaScript SDK。在 Argos core 包 6.2.1 版本之前，攻击者可控的 CI 分支或引用值（来自 或 ）会在 为 时，通过 和 传递。 中的 和 函数会将这些值插入到由 执行的 命令字符串中。因此，如果拉取请求（pull-request）的分支名中包含 shell 元字符，攻击者可以利用这一漏洞以 Argos 上传流程的权限在 CI 运行器上执行任意命令。成功利用该漏洞可能导致 CI 密钥泄露、构建产物被篡改或运行器被入侵。此问题已在

CVSS 7.5 · High

Possible ATT&CK Techniques 1 AI

T1059.001 · PowerShell

Affected Version Matrix 1

VendorProduct Version RangeStatus
argos-ci argos-javascript < 6.2.1 affected
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I. Basic Information for CVE-2026-59960

Vulnerability Information
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Vulnerability Title
Argos JavaScript: CI Branch Name OS Command Injection in @argos-ci/core
Source: CVE Program / CVE List V5
Vulnerability Description
Argos JavaScript provides official Argos SDKs for JavaScript. Prior to Argos core package version 6.2.1, attacker-controlled CI branch or ref values from GITHUB_HEAD_REF or ARGOS_BRANCH can flow through config.branch and getMergeBaseCommitSha() when hasRemoteContentAccess is false. The gitFetch() and gitMergeBase() functions in packages/core/src/ci-environment/git.ts interpolate these values into execSync() command strings executed by /bin/sh -c, so shell metacharacters in a pull-request branch name can execute arbitrary commands with the Argos upload process privileges on the CI runner. Successful exploitation can expose CI secrets, alter build artifacts, or compromise the runner. This issue is fixed in Argos core package version 6.2.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
argos-ci argos-javascript < 6.2.1 -

II. Public POCs for CVE-2026-59960

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III. Intelligence Information for CVE-2026-59960

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Patches & Fixes for CVE-2026-59960 (2)

Vendor Advisories for CVE-2026-59960 (1)

Other References for CVE-2026-59960 (1)

IV. Related Vulnerabilities

Same weakness: CWE-78

V. Comments for CVE-2026-59960

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