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CVE-2026-110254— Dockhand before 1.0.45 SSRF via IPv6 Transition Address Bypass in ipCategory

Quick assessment

Affected
Finsys dockhand
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.

在 Finsys Dockhand 版本低于 1.0.45 的版本中，存在一个服务器端请求伪造（SSRF）漏洞，该漏洞位于 文件中的 函数。此函数未能正确检测 NAT64、6to4 和 Teredo 等 IPv6 过渡地址范围。 经过身份验证的攻击者可以在通知、备份、模板、注册表、Git 或秘密提供程序 URL 中的过渡 IPv6 字面量里嵌入环回地址、云元数据或私有 IPv4 地址，从而访问内部服务。

CVSS 4.3 · Medium EPSS 0.25% · P16

Affected Version Matrix 2

VendorProduct Version RangeStatus
Finsys dockhand < 1.0.45 affected
1.0.45 unaffected
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I. Basic Information for CVE-2026-110254

Vulnerability Information
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Vulnerability Title
Dockhand before 1.0.45 SSRF via IPv6 Transition Address Bypass in ipCategory
Source: CVE Program / CVE List V5
Vulnerability Description
Finsys Dockhand before 1.0.45 contains a server-side request forgery vulnerability in the ipCategory() function in src/lib/server/url-safety.ts, which fails to check NAT64, 6to4, and Teredo IPv6 transition ranges. Authenticated attackers can embed loopback, cloud metadata, or private IPv4 addresses in transition IPv6 literals within notification, backup, template, registry, git, or secret provider URLs to reach internal services.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Finsys dockhand 0 ~ 1.0.45 -

II. Public POCs for CVE-2026-110254

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III. Intelligence Information for CVE-2026-110254

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Other References for CVE-2026-110254 (2)

Same Patch Batch · Finsys · 2026-10-13 · 5 CVEs total

CVE-2026-110130 10.0 CRITICAL Dockhand before 1.0.45 Authentication Bypass via Static-Asset Check
CVE-2026-110255 8.5 HIGH Dockhand before 1.0.43 SSRF via /api/templates/compose Endpoint
CVE-2026-110112 8.1 HIGH Dockhand before 1.0.50 OIDC Privilege Escalation via Missing Token Claim Validation
CVE-2026-110256 3.7 LOW Dockhand before 1.0.19 Username Enumeration via LDAP Injection in tryLdapAuth

IV. Related Vulnerabilities

Same product: dockhand
Same vendor: Finsys
Same weakness: CWE-918

V. Comments for CVE-2026-110254

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