CVE-2026-92091— Jwcrypto JWK密钥操作数组拒绝服务漏洞
一分钟漏洞结论
影响对象
Red Hat Red Hat Ansible Automation Platform 2
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。
A flaw was found in jwcrypto. The JWK.import_key() function validates the key_ops JWK member for duplicate values using an algorithm with O(n^2) time complexity, and the length of key_ops is not bounded. A remote, unauthenticated attacker can supply a JWK with
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一、 漏洞 CVE-2026-92091 基础信息
漏洞信息
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Vulnerability Title
Jwcrypto: jwcrypto: denial of service via o(n^2) duplicate check on unbounded jwk key_ops array
来源: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in jwcrypto. The JWK.import_key() function validates the key_ops JWK member for duplicate values using an algorithm with O(n^2) time complexity, and the length of key_ops is not bounded. A remote, unauthenticated attacker can supply a JWK with a large key_ops array to an application that passes attacker-controlled key material to a public key-import API (reachable via ECDH-ES key agreement, OIDC dynamic client registration, DPoP, or ACME account key registration, among others) to consume excessive CPU time, resulting in a denial of service.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
来源: CVE Program / CVE List V5
Vulnerability Type
算法复杂性
来源: CVE Program / CVE List V5
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| Red Hat | Red Hat Ansible Automation Platform 2 | - |
cpe:/a:redhat:ansible_automation_platform:2
|
|
| Red Hat | Red Hat Ansible Automation Platform 2 | - |
cpe:/a:redhat:ansible_automation_platform:2
|
|
| Red Hat | Red Hat Ansible Automation Platform 2 | - |
cpe:/a:redhat:ansible_automation_platform:2
|
|
| Red Hat | Red Hat Ansible Automation Platform 2 | - |
cpe:/a:redhat:ansible_automation_platform:2
|
|
| Red Hat | Red Hat Ansible Automation Platform 2 | - |
cpe:/a:redhat:ansible_automation_platform:2
|
|
| Red Hat | Red Hat Ansible Automation Platform 2 | - |
cpe:/a:redhat:ansible_automation_platform:2
|
|
| Red Hat | Red Hat Ansible Automation Platform 2 | - |
cpe:/a:redhat:ansible_automation_platform:2
|
|
| Red Hat | Red Hat Ansible Automation Platform 2 | - |
cpe:/a:redhat:ansible_automation_platform:2
|
|
| Red Hat | Red Hat Ansible Automation Platform 2 | - |
cpe:/a:redhat:ansible_automation_platform:2
|
|
| Red Hat | Red Hat Ansible Automation Platform 2 | - |
cpe:/a:redhat:ansible_automation_platform:2
|
|
| Red Hat | Red Hat Ansible Automation Platform 2 | - |
cpe:/a:redhat:ansible_automation_platform:2
|
|
| Red Hat | Red Hat Ansible Automation Platform 2 | - |
cpe:/a:redhat:ansible_automation_platform:2
|
|
| Red Hat | Red Hat Ansible Automation Platform 2 | - |
cpe:/a:redhat:ansible_automation_platform:2
|
|
| Red Hat | Red Hat Enterprise Linux 10 | - |
cpe:/o:redhat:enterprise_linux:10
|
|
| Red Hat | Red Hat Enterprise Linux 7 | - |
cpe:/o:redhat:enterprise_linux:7
|
|
| Red Hat | Red Hat Enterprise Linux 8 | - |
cpe:/o:redhat:enterprise_linux:8
|
|
| Red Hat | Red Hat Enterprise Linux 8 | - |
cpe:/o:redhat:enterprise_linux:8
|
|
| Red Hat | Red Hat Enterprise Linux 9 | - |
cpe:/o:redhat:enterprise_linux:9
|
|
| Red Hat | Red Hat OpenShift AI (RHOAI) | - |
cpe:/a:redhat:openshift_ai
|
|
| Red Hat | Red Hat OpenShift AI (RHOAI) | - |
cpe:/a:redhat:openshift_ai
|
|
| Red Hat | Red Hat OpenStack Platform 16.2 | - |
cpe:/a:redhat:openstack:16.2
|
|
| Red Hat | Red Hat OpenStack Platform 16.2 | - |
cpe:/a:redhat:openstack:16.2
|
|
| Red Hat | Red Hat OpenStack Platform 16.2 | - |
cpe:/a:redhat:openstack:16.2
|
|
| Red Hat | Red Hat OpenStack Platform 16.2 | - |
cpe:/a:redhat:openstack:16.2
|
|
| Red Hat | Red Hat OpenStack Platform 16.2 | - |
cpe:/a:redhat:openstack:16.2
|
|
| Red Hat | Red Hat OpenStack Platform 16.2 | - |
cpe:/a:redhat:openstack:16.2
|
|
| Red Hat | Red Hat OpenStack Platform 16.2 | - |
cpe:/a:redhat:openstack:16.2
|
|
| Red Hat | Red Hat OpenStack Platform 16.2 | - |
cpe:/a:redhat:openstack:16.2
|
|
| Red Hat | Red Hat OpenStack Platform 17.1 | - |
cpe:/a:redhat:openstack:17.1
|
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| Red Hat | Red Hat OpenStack Platform 17.1 | - |
cpe:/a:redhat:openstack:17.1
|
|
二、漏洞 CVE-2026-92091 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-92091 厂商安全公告 (1)
CVE-2026-92091 其他参考 (1)
CVE-2026-92091 其他参考 (1)
IV. Related Vulnerabilities
V. Comments for CVE-2026-92091
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