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CVE-2026-45625— Arcane: Missing admin authorization on git repository endpoints allows non-admin users to exfiltrate stored Git credentials and tamper with GitOps configs

Quick assessment

Affected
getarcaneapp arcane
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

arcane是Arcane开源的一个Docker管理软件。 arcane 1.19.0之前版本存在安全漏洞，该漏洞源于基于huma的REST API中多个端点未调用checkAdmin辅助函数，且身份验证中间件仅强制认证而非管理员角色，可能导致任何登录用户管理Git仓库配置并泄露明文Git凭据。

CVSS 9.9 · Critical EPSS 0.39% · P32

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

Affected Version Matrix 1

VendorProduct Version RangeStatus
getarcaneapp arcane < 1.19.0 affected
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I. Basic Information for CVE-2026-45625

Vulnerability Information
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Vulnerability Title
Arcane: Missing admin authorization on git repository endpoints allows non-admin users to exfiltrate stored Git credentials and tamper with GitOps configs
Source: CVE Program / CVE List V5
Vulnerability Description
Arcane is an interface for managing Docker containers, images, networks, and volumes. Prior to 1.19.0, Arcane's huma-based REST API exposes nine endpoints under /api/customize/git-repositories and /api/git-repositories/sync for managing GitOps source repositories and their stored credentials. Eight of those endpoints (list, create, get, update, delete, test, listBranches, browseFiles) never call the checkAdmin(ctx) helper that every other admin-managed resource (container registries, environments, users, API keys, swarm, settings, system, notifications, events) uses, and the huma authentication middleware deliberately enforces only authentication, not the admin role. As a result, any logged-in user with the default user role can list, create, modify, delete, and test git repository configurations. By repointing an existing repository's URL to an attacker-controlled host while omitting the token/sshKey fields (which UpdateRepository only rewrites when explicitly supplied), the attacker causes Arcane to decrypt the legitimate PAT/SSH key on its next /test, /branches, or /files call and present it as HTTP Basic auth (or SSH key auth) to the attacker's host — producing a one-step exfiltration of plaintext Git credentials. This vulnerability is fixed in 1.19.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
arcane 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
arcane是Arcane开源的一个Docker管理软件。 arcane 1.19.0之前版本存在安全漏洞，该漏洞源于基于huma的REST API中多个端点未调用checkAdmin辅助函数，且身份验证中间件仅强制认证而非管理员角色，可能导致任何登录用户管理Git仓库配置并泄露明文Git凭据。
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)

Affected Products

Vendor Product Affected Versions CPE Subscribe
getarcaneapp arcane < 1.19.0 -

II. Public POCs for CVE-2026-45625

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 7088 chars
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III. Intelligence Information for CVE-2026-45625

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Vendor Advisories for CVE-2026-45625 (1)

Same Patch Batch · getarcaneapp · 2026-05-29 · 5 CVEs total

CVE-2026-47125 8.8 HIGH Arcane: Missing admin authorization on global variables endpoint
CVE-2026-45627 8.2 HIGH Arcane: Unauthenticated reflected XSS via SVG color parameter in /api/app-images/logo enab
CVE-2026-47179 7.7 HIGH Arcane: Authenticated Arbitrary Host File Read via Docker Compose Include Directives in Ar
CVE-2026-45626 6.3 MEDIUM Arcane: OS Command Injection in Volume Browser ListDirectory via path query parameter

IV. Related Vulnerabilities

Same product: arcane
Same vendor: getarcaneapp
Same weakness: CWE-862

V. Comments for CVE-2026-45625

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