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CVE-2026-112288— Krayin CRM 2.2.5 before 2.2.7 SSRF Filter Bypass via DNS Rebinding

Quick assessment

Affected
krayin laravel-crm
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.

Krayin CRM 2.2.5 至 2.2.7 之前的版本存在服务端请求伪造（SSRF）过滤器绕过漏洞。拥有 Webhook 权限的用户可利用 DNS 重绑定（DNS rebinding）技术访问内部地址。攻击者可在 验证阶段返回一个公网地址，而在 Guzzle 重新解析 DNS 时返回一个内网地址，从而向内部服务及云元数据端点发起盲注式请求。

CVSS 3.3 · Low
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I. Basic Information for CVE-2026-112288

Vulnerability Information
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Vulnerability Title
Krayin CRM 2.2.5 before 2.2.7 SSRF Filter Bypass via DNS Rebinding
Source: CVE Program / CVE List V5
Vulnerability Description
Krayin CRM 2.2.5 before 2.2.7 contains a server-side request forgery filter bypass that allows users with webhook permissions to reach internal addresses via DNS rebinding. Attackers can return a public address during WebhookService::isSafeEndpoint() validation and an internal address when Guzzle re-resolves, sending blind requests to internal services and cloud metadata endpoints.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/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
krayin laravel-crm 2.2.5 ~ 2.2.7 -

II. Public POCs for CVE-2026-112288

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III. Intelligence Information for CVE-2026-112288

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Other References for CVE-2026-112288 (5)

Same Patch Batch · krayin · 2026-10-19 · 3 CVEs total

CVE-2026-112287 7.1 HIGH Krayin CRM before 2.2.7 Broken Object Level Authorization in Mail Module
CVE-2026-112286 6.5 MEDIUM Krayin CRM before 2.2.7 IDOR via Quote Search and Lead-Products Endpoints

IV. Related Vulnerabilities

Same product: laravel-crm
Same vendor: krayin
Same weakness: CWE-918

V. Comments for CVE-2026-112288

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