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CVE-2026-44985— Dozzle: Cross-Site WebSocket Hijacking (CSWSH) on exec/attach endpoints bypasses authentication

Quick assessment

Affected
amir20 dozzle
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.

Dozzle是Amir Raminfar个人开发者的一个小型轻量级应用程序。 Dozzle 10.5.2之前版本存在访问控制错误漏洞，该漏洞源于/exec和/attach端点的WebSocket升级器接受任意来源的升级请求，结合JWT cookie使用SameSite:Lax，允许同源攻击者通过跨站WebSocket劫持获取交互式shell访问权限。

AI Predicted 7.5 Difficulty: Easy EPSS 0.19% · P9

Affected Version Matrix 1

VendorProduct Version RangeStatus
amir20 dozzle < 10.5.2 affected
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I. Basic Information for CVE-2026-44985

Vulnerability Information
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Vulnerability Title
Dozzle: Cross-Site WebSocket Hijacking (CSWSH) on exec/attach endpoints bypasses authentication
Source: CVE Program / CVE List V5
Vulnerability Description
Dozzle is a realtime log viewer for docker containers. Prior to 10.5.2, he WebSocket upgrader for the /exec and /attach endpoints uses CheckOrigin: func(r *http.Request) bool { return true }, accepting upgrade requests from any origin. Combined with the JWT cookie using SameSite: Lax, this enables Cross-Site WebSocket Hijacking (CSWSH). An attacker hosting a page on a same-site origin (e.g., a sibling subdomain, or another service on localhost) can initiate a WebSocket connection to the exec endpoint that carries the victim's valid JWT cookie, gaining interactive shell access in any container the victim is authorized to access. This vulnerability is fixed in 10.5.2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
源验证错误
Source: CVE Program / CVE List V5
Vulnerability Title
Dozzle 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Dozzle是Amir Raminfar个人开发者的一个小型轻量级应用程序。 Dozzle 10.5.2之前版本存在访问控制错误漏洞，该漏洞源于/exec和/attach端点的WebSocket升级器接受任意来源的升级请求，结合JWT cookie使用SameSite:Lax，允许同源攻击者通过跨站WebSocket劫持获取交互式shell访问权限。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
amir20 dozzle < 10.5.2 -

II. Public POCs for CVE-2026-44985

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III. Intelligence Information for CVE-2026-44985

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Vendor Advisories for CVE-2026-44985 (1)

IV. Related Vulnerabilities

Same product: dozzle
Same vendor: amir20
Same weakness: CWE-346

V. Comments for CVE-2026-44985

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