CVE-2026-109758
一分钟漏洞结论
影响对象
Perforce Helix Authentication Service
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
Perforce Helix Authentication Service (HAS) 部署中，如果保留了随软件发布的默认 SCIM Bearer Token，且攻击者可访问 SCIM 端点，则存在未授权访问漏洞。在 25.2 版本中，安装模板包含一个默认凭据，安装程序会将其复制到活动配置中；但安装程序和配置脚本不会自动将该值替换为随机生成的 Token。攻击者若知晓该默认 Token，即可通过 SCIM API 进行身份验证，并执行由已配置的供应后端所允许的用户和组操作。 此问题可与受影响版本中 scim-pat
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一、 漏洞 CVE-2026-109758 基础信息
漏洞信息
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Vulnerability Title
N/A
来源: CVE Program / CVE List V5
Vulnerability Description
Perforce Helix Authentication Service (HAS) deployments that retain the shipped default SCIM bearer token are vulnerable to unauthorized access when the SCIM endpoint is reachable by an attacker. In version 25.2, the installation templates contain a default credential which the installer copies into the active configuration; the installer and configuration script do not automatically replace that value with a random token. An attacker who knows the default token can authenticate to the SCIM API and perform user and group operations allowed by the configured provisioning backend.
This issue can be chained with CVE-2026-61834 in affected releases of the scim-patch dependency. A crafted SCIM PATCH request can cause server-side prototype pollution, corrupt application state, and disrupt service availability, including health checks and SCIM or SSO requests. In a later test, this primitive was confirmed to enable remote code execution in a Node.js 24/Express deployment through available gadget chains involving child_process, EJS/Pug, or Passport.
This vulnerability exists in version 2022.1 - 2025.2 of HAS however the underlying defect was removed in version 2026.1 which was released July 17th 2026. The vulnerability was identified in older versions of HAS after version 2026.1 was released.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
来源: CVE Program / CVE List V5
Vulnerability Type
CWE-1321
来源: CVE Program / CVE List V5
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| Perforce | Helix Authentication Service | 2022.1 ~ 2025.2 | - |
|
二、漏洞 CVE-2026-109758 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-109758 其他参考 (1)
IV. Related Vulnerabilities
V. Comments for CVE-2026-109758
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