CVE-2026-92592— Craft CMS 4.18.6前签名Cookie远程代码执行漏洞
一分钟漏洞结论
影响对象
craftcms cms
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。
Craft CMS 4.8.0 through 4.18.5 and 5.0.0 through 5.10.12 sign an authenticated user's attacker-controlled license-shun cookie with the same key and format used to validate signed redirect parameters, because the HMAC signature is not bound to its purpose (Yii'
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一、 漏洞 CVE-2026-92592 基础信息
漏洞信息
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Vulnerability Title
Craft CMS before 4.18.6 Remote Code Execution via signed cookie
来源: CVE Program / CVE List V5
Vulnerability Description
Craft CMS 4.8.0 through 4.18.5 and 5.0.0 through 5.10.12 sign an authenticated user's attacker-controlled license-shun cookie with the same key and format used to validate signed redirect parameters, because the HMAC signature is not bound to its purpose (Yii's cookieValidationKey is derived from the same Craft securityKey used for signed request parameters). An authenticated, non-administrator user (Control Panel access is not required) can set the cookie via the license-shun endpoint and transplant the signed envelope into the redirect parameter; on a successful login, Craft validates the signature and renders the authenticated bytes as an unsandboxed Twig template, where Twig's map filter accepts a string callback and allows PHP system() to execute arbitrary operating-system commands as the web-server user. Exploitation requires an account using password authentication without active 2FA, the default request configuration, and availability of PHP system(). The issue is fixed in 4.18.6 and 5.10.13.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
来源: CVE Program / CVE List V5
Vulnerability Type
CWE-1336
来源: CVE Program / CVE List V5
受影响产品
二、漏洞 CVE-2026-92592 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-92592 厂商安全公告 (2)
同批安全公告 · craftcms · 2026-09-16 · 共 6 条
| CVE-2026-92593 | 8.8 HIGH | Craft CMS 5.10.13前认证远程代码执行漏洞 |
| CVE-2026-92594 | 7.5 HIGH | Craft CMS 5.11.0前 GraphQL PII泄露漏洞 |
| CVE-2026-92591 | 5.9 MEDIUM | Craft CMS 5.10.12 之前 环境变量泄露漏洞 |
| CVE-2026-92590 | 5.4 MEDIUM | Craft CMS 5.7.0-5.10.12 存储型跨站脚本漏洞 |
| CVE-2026-92589 | 4.3 MEDIUM | Craft CMS 5.0.0-5.10.12 访问控制漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2026-92592
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