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CVE-2026-111626— Webreaper Damselfly through 4.5.3 Missing Authentication on REST API Controllers

Quick assessment

Affected
Webreaper Damselfly
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.

Webreaper Damselfly 4.5.3 及更早版本存在身份验证绕过漏洞。由于控制器中的授权属性被注释掉，未认证的攻击者可以访问所有 路由。攻击者可通过发送 请求并指定管理员角色来创建管理员账户，或通过发送 请求来重置任意用户的密码，从而获得对系统的完全控制权。

CVSS 9.8 · Critical EPSS 0.45% · P38

Affected Version Matrix 1

VendorProduct Version RangeStatus
Webreaper Damselfly ≤ 4.5.3 affected
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I. Basic Information for CVE-2026-111626

Vulnerability Information
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Vulnerability Title
Webreaper Damselfly through 4.5.3 Missing Authentication on REST API Controllers
Source: CVE Program / CVE List V5
Vulnerability Description
Webreaper Damselfly through 4.5.3 contains an authentication bypass vulnerability that allows unauthenticated attackers to access all /api/* routes because controller authorization attributes are commented out. Attackers can send PUT /api/users with Admin roles to create administrator accounts, or POST /api/users to reset any user's password, gaining full control.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Webreaper Damselfly 0 ~ 4.5.3 -

II. Public POCs for CVE-2026-111626

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-111626

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Patches & Fixes for CVE-2026-111626 (2)

Vendor Advisories for CVE-2026-111626 (1)

Proof of Concept for CVE-2026-111626 (2)

IV. Related Vulnerabilities

Same weakness: CWE-306

V. Comments for CVE-2026-111626

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