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CVE-2026-96626— Arcane: Container-registry credential exfiltration via URL repoint + test to attacker host

Quick assessment

Affected
getarcaneapp arcane
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.

Arcane 是一个用于管理 Docker 容器、镜像、网络和数据卷的接口。在 2.5.0 版本之前， 中的 和 函数允许在保留已存储的加密凭证（token）的同时更改镜像仓库（registry）的 URL。当拥有 和 权限的用户将通用仓库 URL 重定向到攻击者控制的地址，且未提供新的替换凭证时， 会解密并保留该旧凭证，而 随后会将该凭证发送至攻击者控制的服务器，因为 函数未对目标地址进行限制。此漏洞会导致存储的容器仓库个人访问令牌（PAT）或密码泄露，进而可能使攻击者获取镜像访问权限或对镜像进行篡改。该问题已在

CVSS 8.5 · High
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I. Basic Information for CVE-2026-96626

Vulnerability Information
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Vulnerability Title
Arcane: Container-registry credential exfiltration via URL repoint + test to attacker host
Source: CVE Program / CVE List V5
Vulnerability Description
Arcane is an interface for managing Docker containers, images, networks, and volumes. Prior to 2.5.0, UpdateRegistry and TestRegistry in backend/api/services/container_registry_service.go allow the registry URL to change while preserving the stored encrypted token. When a holder of registries:update and registries:test repoints a generic registry URL without supplying a replacement token, TestRegistry decrypts the preserved token and RegistryLogin sends it to the attacker-controlled host because normalizeRegistryServerAddressInternal does not restrict the destination. This exposes the stored container-registry PAT or password and can enable image access or tampering. This issue is fixed in version 2.5.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
getarcaneapp arcane < 2.5.0 -

II. Public POCs for CVE-2026-96626

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III. Intelligence Information for CVE-2026-96626

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Patches & Fixes for CVE-2026-96626 (2)

Vendor Advisories for CVE-2026-96626 (1)

Vendor Pages for CVE-2026-96626 (1)

Same Patch Batch · getarcaneapp · 2026-10-16 · 3 CVEs total

CVE-2026-96627 8.8 HIGH Arcane: Delegated users:update permission allows admin account takeover via password reset
CVE-2026-96628 4.3 MEDIUM Arcane: Environment access token bypasses the admin-required authorization gate on `/api/d

IV. Related Vulnerabilities

Same product: arcane
Same vendor: getarcaneapp
Same weakness: CWE-200

V. Comments for CVE-2026-96626

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