CVE-2026-71317— Netflix lemur 授权问题漏洞
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一、 漏洞 CVE-2026-71317 基础信息
漏洞信息
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Vulnerability Title
Lemur: Sub-CA creation never checks `AuthorityPermission` on the parent authority
来源: CVE Program / CVE List V5
Vulnerability Description
Lemur manages TLS certificate creation. Prior to 1.9.3, POST /api/1/authorities with type=subca did not require AuthorityPermission on the parent authority when ADMIN_ONLY_AUTHORITY_CREATION was false. AssociatedAuthoritySchema resolved the caller-supplied parent and passed it through authority creation to cryptography-issuer, which used the parent authority_certificate.private_key to sign a new intermediate. Any authenticated non-read-only user in that supported configuration could chain a sub-CA to an internal root for which the user held no role. The resulting intermediate could issue trusted certificates and its private key could be used outside Lemur, bypassing normal issuance controls. The fix checks AuthorityPermission on every supplied parent before invoking the issuer. This issue is fixed in version 1.9.3.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N
来源: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
来源: CVE Program / CVE List V5
Vulnerability Title
Netflix lemur 授权问题漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Netflix lemur是美国Netflix公司开源的一个证书管理工具。 Netflix lemur 1.9.3之前版本存在授权问题漏洞，该漏洞源于POST /api/1/authorities接口创建subca类型授权时未对父权限进行AuthorityPermission验证，可能导致经过身份验证的非只读用户绕过正常签发控制，签发受信任证书。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD
受影响产品
二、漏洞 CVE-2026-71317 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-71317 补丁与修复 (1)
CVE-2026-71317 厂商安全公告 (1)
CVE-2026-71317 厂商页面 (1)
同批安全公告 · Netflix · 2026-08-18 · 共 14 条
| CVE-2026-55166 | 9.9 CRITICAL | Netflix Lemur 授权问题漏洞 |
| CVE-2026-48508 | 8.8 HIGH | Netflix Lemur 授权问题漏洞 |
| CVE-2026-71308 | 8.1 HIGH | Netflix lemur 授权问题漏洞 |
| CVE-2026-71307 | 7.7 HIGH | Netflix lemur 授权问题漏洞 |
| CVE-2026-71303 | 7.7 HIGH | Netflix lemur 服务端请求伪造漏洞 |
| CVE-2026-70666 | 7.4 HIGH | Netflix Lemur 服务端请求伪造漏洞 |
| CVE-2026-71417 | 7.3 HIGH | Netflix lemur 授权问题漏洞 |
| CVE-2026-70667 | 6.3 MEDIUM | Netflix Lemur 竞争条件问题漏洞 |
| CVE-2026-55162 | 6.3 MEDIUM | Netflix Lemur 服务端请求伪造漏洞 |
| CVE-2026-55163 | 6.3 MEDIUM | Netflix Lemur 授权问题漏洞 |
| CVE-2026-55164 | 4.9 MEDIUM | Netflix Lemur 信任管理问题漏洞 |
| CVE-2026-55165 | 4.8 MEDIUM | Netflix Lemur 加密问题漏洞 |
| CVE-2026-71322 | 4.3 MEDIUM | Netflix lemur 授权问题漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2026-71317
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